Term .com
Accelerator Position Sensor Accelerator Type Account Codes Accumulator Acrylonitrile Active Aftertreatment System
Active Faults Active Regeneration
Actuator Actuator Control Valve Actuator Rail
Definition Commercial The
Term Add Attachment Link Add Note Link Additive Package Adhesive Wear
Definition Selecting the add attachment link will open a file entry area. You can browse to find a file that you want to attach, and then save it with the diagnostic session. Selecting the add note link will open up a text box to enter a new note. A mix of supplemental lubricant additives carried by the base oil to protect engine parts from wear, corrosion, and deposits.
Aftertreatment DEF Nozzle Aftertreatment DEF Solution Tank
Localized bonding between contacting surfaces that leads to material transfer from one surface to the other or loss of material from either surface. Type of idler gear where the position of the gear relative to the other gears is adjustable. This adjustment is used to control gear lash. The Adjustable Low Idle Speed feature can reduce the amount of fuel burned or decrease cab noise and vibration. Criteria in the vehicle operating system that can be adjusted or enabled and disabled (turned ON or OFF) with the INSITE service tool. ECM password used to make changes to the adjustable parameters. Common methods used for filing a claim under a Cummins program. Software used to view PDF documents. http://www.adobe.com/ Injection that occurs earlier in the compression stroke when compared to base timing. With advanced timing the start of injection occurs at a crank angle degrees before top dead center (BTDC). Injection or ignition that occurs earlier in the compression stroke when compared to base timing. With advanced timing the start of injection or ignition occurs at a crank angle before top dead center (BTDC). Back end of a vessel. A heat exchanger that reduces the temperature of the air entering the cylinders. A method of controlling exhaust emissions with the use of a catalyst or, filter installed in the exhaust system. Type of passive Aftertreatment System that is a simple flow-through system containing a catalyst that converts hydrocarbons (HCs) and NOx to NO2 and water (H2O). The Aftertreatment DEF Dosing Unit is used to properly and precisely meter a mixture of catalyst reagent (DEF) and air into the exhaust stream immediately upstream of the catalyst. The Aftertreatment DEF Nozzle sprays the DEF solution into the exhaust stream. The Aftertreatment DEF Solution Tank is the container that stores the DEF prior to injection into the exhaust system.
Aftertreatment DEF Tank Heater
The Aftertreatment DEF Tank Heater uses coolant to heat the DEF solution in the Aftertreatment DEF Solution Tank.
Aftertreatment DEF Tank Quality/Temperature/Level Sensor Aftertreatment DEF Tank Temperature/Level Sensor Aftertreatment Diesel Exhaust Fluid Dosing Unit Aftertreatment Diesel Exhaust Fluid Dosing Valve Aftertreatment Diesel Exhaust Fluid Tank
See Aftertreatment Diesel Exhaust Fluid Tank Quality/Temperature/Level Sensor
Adjustable Idler Gear Adjustable Low Idle Speed Adjustable Parameters Adjustments Password Administrative Procedure Adobe Acrobat Reader Software Advanced Injection Timing Advanced Timing Aft Aftercooler Aftertreatment Aftertreatment Catalyst or (DOC) Aftertreatment DEF Dosing Unit
See Aftertreatment Diesel Exhaust Fluid Tank Quality/Temperature/Level Sensor The Aftertreatment Diesel Exhaust Fluid Dosing Unit is used to properly and precisely meter catalyst reagent (diesel exhaust fluid) into the exhaust stream immediately upstream of the catalyst. The Aftertreatment Diesel Exhaust Fluid Dosing Valve sprays the diesel exhaust fluid solution into the exhaust stream. The Aftertreatment Diesel Exhaust Fluid Tank is the container that stores the diesel exhaust fluid prior to injection into the exhaust system.
Term Aftertreatment Diesel Exhaust Fluid Tank Quality/Temperature/Level Sensor
Definition The Aftertreatment Diesel Exhaust Fluid Quality/Temperature/Level Sensor mounted in the diesel exhaust fluid tank is used to communicate to the ECM the diesel exhaust fluid properties, temperature and level of the fluid in the tank.
Aftertreatment Diesel Exhaust Fluid Tank Temperature/Level Sensor Aftertreatment Diesel Particulate Filter (DPF) Differential Pressure Sensor Aftertreatment Inline Air Filter
See Aftertreatment Diesel Exhaust Fluid Tank Quality/Temperature/Level Sensor
Aftertreatment Intake (Inlet) NOx Sensor Aftertreatment Interface Connection Aftertreatment Monitor Unit Aftertreatment Outlet NOx Sensor Aftertreatment SCR Catalyst
Aftertreatment SCR Catalyst Intake Temperature Sensor Aftertreatment SCR Catalyst Outlet Temperature Sensor Aftertreatment SCR Intermediate NH3 Sensor Aftertreatment Selective Catalytic Reduction Catalyst
The Aftertreatment Diesel Particulate Filter Differential Pressure Sensor is used to read the differential and outlet pressure of the diesel particulate filter. The SCR system requires that an inline air filter be installed between the OEM air supply and the SCR system’s air supply solenoid to prevent damage or contamination of the SCR system air injection or control components. Sensor used to monitor NOx levels entering the aftertreatment selective catalytic reduction (SCR) system. The Aftertreatment Interface Connection is a SCR 14-pin or 24-pin Connector. Electronic system that performs the monitoring and diagnostic function for the Aftertreatment System and signals dash-mounted warning lamps Sensor used to monitor NOx levels leaving the aftertreatment selective catalytic reduction (SCR) system. The Aftertreatment SCR Catalyst contains an element constructed of a cordierite monolith substrate that is used in the reduction of nitrogen oxides produced by the engine, the aftertreatment SCR catalyst element also works to reduce particulate emissions from the engine. Temperature sensor used to measure the temperature of the exhaust as it enters the catalyst. Temperature sensor used to measure the temperature of the exhaust as it exits the catalyst. The Aftertreatment SCR Intermediate NH3 Sensor monitors the real time conversion of NH3, ammonia, in the exhaust.
The Aftertreatment Selective Catalytic Reduction Catalyst contains an element constructed of a cordierite monolith substrate that is used in the reduction of nitrogen oxides produced by the engine, the aftertreatment selective catalytic reduction catalyst element also works to reduce particulate emissions from the engine. Aftertreatment Selective Catalytic Reduction See Aftertreatment SCR Intermediate NH3 Sensor Catalyst Intermediate Temperature Sensor Aftertreatment Selective Catalytic Reduction See Aftertreatment SCR Catalyst Outlet Temperature Sensor Catalyst Outlet Temperature Sensor Aftertreatment Systems Aftertreatment Temperature Sensors Agricultural Application Ahead Air Regulator Air Solenoid Air System Air/Fuel Ratio
Exhaust system components used to reduce harmful emissions from diesel engines. The Aftertreatment Temperature Sensors are required to ensure that the entire catalyst has warmed to the correct operating temperature for the dosing to begin. Engines installed in mobile equipment designed for and used in farming non- highway use; does not include equipment used for logging. A vessel moving in a forward motion is moving ahead. Used to transport the Urea into the exhaust stream. Used to transport the Urea into the exhaust stream. Any part of the engine that delivers air from one part of the engine to another. Quantitative relation between the air and fuel to be delivered for combustion.
Term Air/Oil Filter Separator Air-to-Air Aftercooling Algorithm All Speed Governor
Alloying Elements Alternate Droop Alternate Droop Switch Type Alternate Idle Speed Alternate Torque Alternate Torque Curve Alternating Current Alternator Altitude Derate ALT-Tab Aluminum Oxide Particles Ambient Air Pressure Sensor Ambient Air Temperature Ambulance Amidships Ammeter AMOX Brick Ampere Amplitude Anchor Windlass Annealing Anti-drainback Valve Anti-Wear Agents Applied Stress
Definition The Air/oil filter separator prevents damage or contamination of the SCR systems air components. The process of passing fresh intake air that has been heated by turbocharging through a cooler. The intake air transfers heat to ambient air flowing over the cooler. Software stored in the ECM that is used to establish a step-by-step procedure to determine a value based on inputs from engine sensors. This value is used to provide output to various devices on the engine. (Formerly known as: Variable Speed Governor) Electronic governor type that provides aggressive speed holding capability. Small changes in pedal position result in large gains in torque. This governor type attempts to hold engine speed constant for a given accelerator position, with varying engine loads. Elements added to base materials (e.g. iron, steel) to modify the properties of these base materials (i.e. improve strength, wear resistance). Feature that determines the droop characteristics when the engine is operating at the optional droop settings. Adjustable parameter that indicates to the ECM whether the alternate droop switch is a one, two or three position switch. Adjustable parameter that sets a second idle speed. See Alternate Torque Curve Feature that allows the operator to switch between the 100% torque curve and an alternate torque curve using an OEM installed switch. The electrons flow first in one direction in the circuit and then in the opposite direction at regular time intervals. A power source that supplies electrical force necessary to cause electrical current flow in a circuit. Feature that automatically derates the engine fueling based on the barometric pressure. Keyboard key combination used in Windows to switch between open windows or programs. Particles use in some cleaning materials that are harder than engine components. The Ambient Air Pressure Sensor allows the ECM to determine the atmospheric pressure. Outside air temperature. An automotive application in emergency response vehicles; generally municipally owned, and operated by hospitals or other organizations; a non-fire department operated piece of equipment. Middle of a vessel. A tool used to measure current flow in a circuit. Ammonia reduction slip catalyst brick. The unit of measure for current flow. Amount of displacement from a resting point. Winch used to lower and raise the anchor and chain aboard the vessel. Heating and cooling process used to relieve cooling stress or stresses induced by cold working and to soften the steel so as to improve its formability or machinability. Installed between the lift pump and the gear pump this valve opens when the gear pump begins to draw fuel. When the gear pump stops this valve closes, holding fuel in the line and helping to keep the system primed. Lubricant additives that form protective films on the microscopic peaks and projections inherent to metal surfaces, thereby reducing friction and microscopic welding. A pushing, pulling, or twisting load placed on a component by an external source.
Term ARB ART GAPS
Articulated Piston Asbestos Ash Asphaltines Assembly Diagram Astern Atmosphere Atom
Definition Air Resources Board An acronym to aid in remembering the types of SRTs A - Administrative SRTs R - Repair SRTs T - Troubleshooting SRTs G - Groups A - Accessibility Codes P - Procedures S – Sometimes Steps (on Troubleshooting SRTs) Two piece piston assembly consisting of a crown and a skirt. The piston assembly is typically held together using the piston pin. A fibrous mineral, either amphibole or chrysotile, formerly used for making incombustible or fireproof articles The minute amount of particulate matter that is left after oxidation. A component of asphalt that are generally insoluble and are present to some extent in all diesel fuels A type of diagram that shows the physical relationship of components for the purpose of manufacture or repair without including electrical information related to the function or troubleshooting of the system. A vessel moving in reverse motion is moving astern. a) The blanket of air surrounding the earth b) A unit of pressure equal to 14.7 lbs. per square inch at sea level, and less at higher elevations The building blocks that create all matter. Atoms are made up of three basic particles: protons, neutrons, and electrons.
Atomization Atomize Attachment Table Authorized Repair Locations Automatic Boost Power Automotive Application
See atomize To reduce to minute particles or to a fine spray. The attachments table displays any attachments in the diagnostic session. Repair locations authorized by Cummins to perform repairs on Cummins engines or parts. Feature that allows engine operation in a higher torque curve than is typically used. Engines marketed by Cummins as automotive models which provide main propulsion for vehicles licensed for on-highway use; also includes all single and dual engine applications in cranes, excavators and drills used for on-highway propulsion.
Automotive Governor
Electronic governor type that attempts to maintain a constant engine torque for a given accelerator position. This type of governor requires more operator interaction, but provides improved “feel”. This type of governor is also referred to as a “Min/Max” Governor.
Auxiliary Governor Control Back / Forward Buttons Backbone Backlash
The auxiliary governor control is an application-specific feature that allows the engine to be governed by either an auxiliary speed or pressure signal. Web browser navigation buttons. The communications harness used for J1939 communication. See also Main Bus The amount a shaft is allowed to move in a rotational direction or the clearance between the teeth of two gears in mesh.
Ballast Ballizing Bar
The ballast system on a vessel is made of material that is used to provide stability to a vessel or structure. Creates compressive residual stress in critical holes by passing an oversized ball through the hole. A unit of pressure equal to 14.5 psi.
Term Barometric (Air) Pressure Sensor Base Oil Basic Password Battery B-Bank Beach Marks Bead Blasting Bearing Housing Bearing Stop
Before-In-Service Bellows Bending Load Beyond-Factory Charges (BFCs) bHp Billable Rate Block Heater Block Stiffener (Plate) Blowout BMEP BMS Bollard Bookmark Bookmark Link Boost Pressure Boost Pressure Sensor Bore Bosch VE Bosch® Fuel Injection Pump Dataplate Bow Brake Horsepower
Definition Sensor that tells the ECM the outside air pressure. See Ambient Air Pressure Sensor. Either a mineral or synthetic product that serves as a transport medium for the additive package. The INSITE password that provides read-only functionality A common source of Direct Current voltage. Stores electricity. See Right-Bank Small ridge of permanent deformation in the material caused by loading that exceeds the material`s strength. The material must be relatively ductile to permit deformation and the more pronounced appearance of beach marks. Bead blasting is the process of removing surface deposits by applying fine glass beads at a low pressure. The center section of a Turbocharger. Device installed to provide a physical stop for installation of a bearing. On some engines the bearing stop mounted on the rear face of the flywheel, prevents the clutch pilot bearing from being pushed through the bore and into the cavity in the rear of the crankshaft. The period of time before the Cummins engine warranty start date. Stainless steel bellows connections in the exhaust system that allow for thermal expansion. A combination of tensile and compressive loading. In bending, the concave surface is stressed in the compressive direction, while the convex surface is stressed in the tensile direction. Import duties and shipping charges for parts shipments sent to locations outside the United States and Canada. Brake Horsepower The hourly rate that is maintained by Cummins for their repair locations. An electric resistance heater installed in the cooling system and used to provide for easier starting in cold weather. Also called a coolant heater. Device mounted to the bottom of the engine block to provide additional strength and rigidity to the block casting. This plate is typically mounted using shoulder bolts to provide optimum stiffening capability. Occurs when the ratio of air to water around the propeller gets so high that the propeller is no longer grabbing water, but is trying to propel itself through air (or a relative vacuum). Brake Mean Effective Pressure Business Management System Deck attachment used in tying up the vessel to a dock or other structure. Saved website address for quick access. See also Bookmark Link. See also favorite. Saved website address for quick access. See also favorite. The output pressure of the turbocharger. Senses the amount of pressure created by the turbocharger or supercharger. See also Intake Manifold Pressure (IMP) Sensor. The interior diameter of a cylinder. The Bosch VE distributor-type fuel injection pump can be found on industrial and 1991 low horsepower automotive B series ratings. The Bosch® fuel injection pump dataplate displays information about the fuel injection pump. The bow of the vessel is the forward part of the hull or the point that is most forward when the vessel is underway. The amount of power available for useful work
Term Brake Mean Effective Pressure Brass Breakout Cable Breakout Harness Breakpoint 1 Speed
Definition An engineering term for the average effective pressure of the four strokes of a cylinder`s cycle. High bmep means high cylinder pressure and more power/efficiency per cylinder. A metal alloy of zinc and copper. Service tool used to check circuit voltage with electrical components connected to the ECM. See Breakout Harness.
BTDC Buffer
Service tool used to check circuit voltage with electrical components connected to the ECM. Parameter that sets the engine speed, in RPM, that activates the high speed governor during normal operating conditions. See also Breakpoint Speed. Adjustable parameter that sets the engine speed that activates droop. The property of metal that resists permanent deformation under applied load. A window is an area on the screen that displays information for a specific program. This often includes the user interface as well as the program content. Before Top Dead Center a temporary storage unit (as in a computer); especially : one that accepts information at one rate and delivers it at another
Buffering Bulkwark
to collect (as data) in a buffer A wall-like structure that is installed instead of piping or chains to keep personnel and equipment from going overboard.
Burr Bushing Replacer Butadiene
A protruding, ragged edge raised on the surface of metal. The handle used to remove the cross shaft bushing from the bearing housing. A colorless, flammable gas, C4H6, soluble in alcohol but not in water, usually derived from butane or butene: used chiefly in the manufacture of rubber and paint, and in organic synthesis Used to repair damaged wires. The butt splice uses a soft collar and an insulating sleeve to make the connection between the new wire section and the existing wiring harness. A valve in the back of the IFSM that allows a small amount of fuel to bypass most of the fuel delivery system. This bypass path provides a quick and effective means of purging air from the fuel system. See also Charge Air Cooler. Air-to-air cooler mounted in front of the engine radiator used to lower the temperature of the intake air after it has passed through the turbocharger. Feature that ensures that the primary and secondary ECM`s have been programmed with the same calibration prior to allowing the engine to start. Designed to locate a specific group of engines or service parts after they have been sold by Cummins. Once located, prescribed repairs or modifications are performed during a specified period of time or specified amount of operation.
Breakpoint Speed Brittle Browser Window
Butt Splice Connector Bypass Valve (Lift Pump) CAC Calibration Match Campaign
Camshaft Drive Chain Camshaft Position Sensor Camshaft Rear Cover Plate Camshaft Retainer Plate Camshaft Speed/Position Sensor Camshaft Sprocket
The camshaft drive chain drives the camshaft and requires two drive sprockets. Hall-effect sensor supplying a signal based on the position of machined surfaces in the camshaft. The signal from this sensor is used by the ECM to determine the camshaft position. Plate mounted to the rear of the cylinder head containing a thrust surface to control the movement of the camshaft toward the rear of the engine. Plate mounted to the front of the cylinder head containing a thrust surface to control the forward movement of the camshaft. Hall-effect sensor supplying a signal based on the position of protrusions on the camshaft. The signal from this sensor is used by the ECM to determine the camshaft position. A sprocket that sits on the camshaft nose and transfers the movement of the chain to the camshaft.
Term Camshaft Sprocket Housing Camshaft Sprocket Housing Cover Camshaft Tone Wheel CAN 2.0 B Datalink CAP CAP Capacitor CARB Catalyst Catalyst Can Cavitation
Definition The camshaft sprocket housing is a cast aluminum component that sits on the rear faces of both the cylinder head and the cylinder block, and the top face of the flywheel housing. The sprocket housing cover sits on the sprocket housing, and seals the components inside. The rotation of the tone wheel teeth allows the engine speed sensor and the engine camshaft position sensor to measure engine speed and position. An industry standard high speed, 500K baud, datalink used to carry information between the MCM 700 and the SSM 558s. Customized Assurance Plans. Cummins Accumulator Pumping System A device for storing electrical energy for a short amount of time. California Air Resources Board A substance or device that enables a chemical reaction to proceed at a usually faster rate or under different conditions, such as at a lower temperature, than otherwise possible without being part of the reaction itself. Container in the Aftertreatment System that houses the catalyst. Holes or pits on the surface of metal caused by the implosion of tiny bubbles in the engine coolant. See also Cavitation Corrosion
Cavitation Corrosion
Involves the damage of material associated with the change of fluid pressure due to collapsing bubbles in a liquid as they contact a solid surface. Often referred to as cavitation pitting or cavitation erosion, it is a combination of corrosion and erosive wear.
CCC CCD CD-ROM CELECT CELECT Plus CENSE Centinel
Chain Guides Chain Tensioner
See Cummins Compact Catalyst Capacitive coil driver. See also Ignition Module Compact Disk Read Only Memory CELECT is the name of a Cummins` heavy duty full authority fuel control injection system. CELECT Plus is the name of a Cummins` heavy duty full authority fuel control injection system. An on-engine system that monitors the output of various sensors. Cummins advanced oil management system. This computer controlled system mixes used oil with the fuel for combustion and replaces it with an equal amount of new oil. This increases oil drain intervals and stabilizes the oil additive package levels. See also Centinel System. The Centinel Operational Test is used to help isolate and troubleshoot Centinel problems. The Centinel System is an electronically controlled continuous oil replacement system that burns oil with the fuel during combustion as an additional energy source. Petroleum based or synthetic blend oil setting for the Centinel system used to determine the oil burn rate. Cummins Emissions Solutions Cubic Feet per Minute Chain Drive System that transfer the movement from the crankshaft to the camshaft by use of a chain drive system situated on the rear side of the engine. Plastic chain guides that sit on either side of the chain, to provide smooth operation. The chain tensioner sits in a bore on the camshaft sprocket housing, and pushes the mobile chain guide towards the chain.
Charge Air
The combination of recirculated exhaust gases and fresh intake air used for combustion.
Centinel Operational Test Centinel System Centinel System Oil Burn Type CES CFM Chain Drive System
Term Charge Air Cooler Charge Air Cooling Check Box
Definition Air-to-air cooler mounted in front of the engine radiator used to lower the temperature of the intake air after it has passed through the turbocharger. The process of passing fresh intake air that has been heated by turbocharging through a cooler. The intake air transfers heat to air or coolant flowing over the cooler. A box displayed on the computer screen that corresponds to a specific option. After clicking the box an X, or a checkmark, displays to indicate that option has been selected. Clicking a second time removes the X, or checkmark, and deselects the option.
Check Engine Lamp
The Check Engine Lamp indicates engine conditions which require prompt operator attention and flashes diagnostic fault codes.
Check Valve Checkbox
A valve installed in a passage that permits flow in one direction only. The graphic box used in a Windows based computer program that provides operator input. A “checked” box indicates an active selection and a blank box indicates an inactive selection. You can select multiple check boxes in a list.
Chemical Inertness Chemical Process
Little or no ability to chemically react The residual stress system within a part can be created, altered, or removed by etching or other chemical processes.
Chines Chrysotile Circuit Breaker
A corner or knuckle in the hull form, continuous over a significant length of the vessel. A fibrous variety of serpentine asbestos A circuit protection device. Excess current will cause the circuit breaker to trip, the circuit is opened, and current can no longer flow. See Turbocharger Compressor Intake Temperature Sensor Deck attachment used in tying up the vessel to a dock or other structure. The technique where a Windows compatible pointing device is used to grab item on screen and move it to some other location. When the cursor is over the object to be moved, the mouse button is clicked to grab it. The button is held down while the object is
CIT Sensor Cleat Click and Drag
Closed Circuit Closed Loop Closed Nozzle Injector
A complete path through which current can flow. Fuel control system based on the output of the gas mass flow sensor and exhaust gas oxygen sensor. Type of injector where the fuel is metered into a separate chamber from the cup at the bottom of the injector. With this style injector, increasing fuel pressure in this chamber lifts the needle in the injector allowing fuel to flow into the injector cup.
CLS CM2150 CM2180 CM2180A CM2220 CM2250 CM2350 CM2880 CM500 CM550 CM552 CM554 CM558
Coolant Level Sensor A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. The sub system control module used to control the ignition timing and air/fuel ratio, formerly called the SSM558.
Term CM570 CM700 CM800 CM850 CM870 CM871 CM875 CM876 CNG Coil Pack Coil-on-Plug Collar Valve Combination Sensors Common Rail Common Rail Fuel System Compact Pump-Step Time Control Fuel System Component Component Unique ID Number Compound Gears Compressed Natural Gas Compression Compression Brake Compression Nuts Compression Ratio Compressive Loading Compressor Compressor Housing Concept Gear
Conductor ConeStaC™ Filter Consumables Contact Stress Fatigue Contamination
Definition A Cummins electronic control module. The master control module for the engine, formerly called the MCM700 A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. A Cummins electronic control module. See Compressed Natural Gas Unit that amplifies the ICM signal to fire the spark plugs. COP. Amplifies the ICM signal to fire the spark plugs and is mounted directly on the spark plug for more efficient energy transfer. Rotating valve on the water filter head used to seal off coolant flow when changing the water filter. Sensors that contain both pressure and temperature sensors in one housing. Rail used to store the high pressure to the injectors. A gear driven pump creates the high injection pressures which are then stored in a common fuel rail. Fuel from the rail is injected when the ECM activates a solenoid at the injection nozzle. The Compact Pump-Step Time Control Fuel System controls injection timing and fueling using a simple, efficient design, with high injection pressures. A part of an engine or parts of a Cummins assembly. In order for each lever control station and inboard joystick to communicate with the throttle control processor module, each device must have a unique handle identifier. Gears that contain two different sized gears to provide the desired gear ratio to the driven component. Methane gas stored at high pressure. Applied load that tries to squeeze the part, making it shorter and wider. See Engine Brake Nuts located on the high pressure lines that when loosened and pulled back expose the vent cavity. The ratio of cylinder volume with the piston at bottom dead center and the cylinder volume with the piston at top dead center. A load that tries to shorten and widen a part. The portion of the turbocharger that is driven by the turbine. The intake side of the Turbocharger. Scissor style gear that consists of two gears combined into one assembly. The two gears are spring loaded to spread the gear teeth apart and reduce gear lash. When properly adjusted, these gears help to reduce engine noise. Provides a path for the electrons to move between the power source and the load. An optional centrifuge that provides additional oil system bypass filtration assembly. Materials used with a Cummins engine to maintain proper lubrication, air or cooling; including lubricating oil, antifreeze and filter elements. Fatigue that results from pitting that occurs when the contacting surface of one part either rolls or rolls and slides under pressure across the surface of another part. The process of making unfit for use by the introduction of unwholesome or undesirable elements.
Continue Link
Term
Definition Selecting a continue link for a diagnostic session will make the given diagnostic session your active diagnostic session. You will be able to proceed in the diagnostic session executing searches, updating solution status and adding notes.
Continuous Base Power Generation
Applicable for an engine that supplies utility power at a constant 100% load for an unlimited number of hours per year.
Continuous Rating
Coolant Temperature Sensor Coolant Water Control Unit COP Copolymerization Corrosion
Engines that are intended for powering commercial boats; intended for engines with continuous use in applications requiring uninterrupted service at full power. Electronic device that controls the position of the fuel pump control rack through a mechanical connection. Keyboard key combination used in Windows programs to open the find command. The controller area network connects the throttle control processor module, thruster interface module, lever control stations, and inboard joysticks. The apparent movement of the positive charges from the positive battery post to the negative battery post. Formulas for converting one form of measurement to another form. (i.e. Metric to English conversion). See Troubleshooting and Repair manual section V. An electric resistance heater installed in the cooling system and used to provide for easier starting in cold weather. Also called a block heater. The Coolant Level Sensor allows the ECM to determine the coolant level. The input from the Coolant Pressure Sensor is used to evaluate water pump and cooling system efficiency. The coolant replacer service tool may be used for draining, filling and de-aerating the cooling system. The tool can also be utilized for pressure testing of the coolant system and as a coolant dam when needed. The Coolant Temperature Sensor allows the ECM to determine the coolant temperature. Thermostat housing Coil-on-plug assembly To subject to or undergo a change analogous to polymerization but with a union of two or more different monomers The undesirable deterioration of a metal part due to a destructive electrochemical or chemical reaction with its environment.
Corrosion Inhibitors
An additive in the coolant and lubricating oil that is designed to coat the surface of components to prevent corrosion.
Counterbore Ledge Coverage Effective Date
Machined ledge in the cylinder block used as the mid-stop for the cylinder liner. The date the coverage was put into effect at Cummins Inc. Engines put into service on or after this date (but before the coverage end date) will have this warranty. The date the coverage was changed by Cummins. Any failure due to a defect in Cummins material or factory workmanship for which Cummins has some payment responsibility on the engine repair program. Control Parts List Coolant Pressure Sensor Device used to allow excess pressure in the engine crankcase to exit the engine. Crankcase pressure is typically a result of combustion gas flowing past the piston rings (blowby). The crankcase depression regulator valve maintains crankcase pressure. Pressure must be regulated to prevent oil consumption through the intake air system, and to prevent oil leaks due to excessive buildup of pressure. The valve regulates the amount of blow-by gases, that are to be re-burned, that enter into the intake air system.
Control Rack Actuator Control-F Controller Area Network Conventional Flow Conversion Tables Coolant Heater(s) Coolant Level Sensor Coolant Pressure Sensor Coolant Replacer Service Tool
Coverage End Date Covered Failures CPL CPS Crankcase Breather Crankcase Depression Regulator Valve
Term Crankcase Pressure Sensor Crankpin Crankshaft Gear Crankshaft Position Sensor Crankshaft Speed Sensor Crankshaft Tone Wheel Crash Truck Crevice Corrosion CREW
Crossflow Cylinder Head Crosshead CTRL-F CTS Cubic Feet per Minute Cummins Accumulator Pumping System
Cummins Compact Catalyst Cummins Inboard Joystick Cummins Inboard Joystick ID CUMPAS Cup Current Cursor Customized Assurance Plans CVC Cycle Cylinder Balancing
Definition The Crankcase Pressure Sensor allows the ECM to monitor pressure within the crankcase. The cylindrical piece to which a connecting rod is attached A straight-cut gear, that sits on the rear crank nose beside the crankshaft palm, and transfers the movement of the crankshaft to the idler gear. Hall-effect sensor supplying a signal based on a tone wheel on the crankshaft. The signal from this sensor is used by the ECM to determine the engine speed and or crankshaft position. Hall-effect sensor supplying a signal based on a tone wheel on the crankshaft. The signal from this sensor is used by the ECM to determine the engine speed and or crankshaft position. Located on the crankshaft. The rotating tone wheel teeth allow the engine speed sensor to measure engine speed. Trucks employed to respond to fires, hazardous material releases, rescue and other emergency-type situations. A form of localized corrosion primarily occurring in areas where little or no fluid flow occurs. An acronym to aid in remembering customer interaction C - Calm R - Reassure E - Empathize W - Work It Out Cylinder head design where the intake air flows into the cylinder, and the exhaust gas flows from the cylinder from opposite sides of the engine. A device that allows one rocker arm to open two valves. See Control-F Coolant Temperature Sensor Rate of volumetric flow. Moves one cubic foot of air in one minute’s time. The Cummins accumulator pumping system or CAPS was introduced in 1996 and was developed to provide the high injection pressures needed for Cummins ISC and ISL CM554 engines to meet emissions and other performance requirements. The Cummins Compact Catalyst is a diesel oxidation catalyst, but is packaged differently than traditional diesel oxidation catalysts and is entirely passive in operation. The Cummins inboard joystick is used to control the bow thruster, the optional stern thruster, and both vessel engines. Each Cummins inboard joystick has an individual joystick ID. These ID`s can be used to identify up to four different joysticks installed on the vessel. A multi-functional, PC based system which allows dealers to communicate with their Cummins distributor. When the trailing edge of the blade is formed or cast with an edge curl (away from the boat). The measure of the number of electrons passing a point in a circuit. A symbol that is used to point to some item on the computer screen. One of several engine repair programs which cover specific failures for an extended period after the expiration of the base warranty. Cummins Virtual College One complete disturbance or shake. The ability of the ECM to adjust fueling for a cylinder based on the increase in crankshaft speed resulting from the power stroke of the previous cylinder in the firing order.
Term Cylinder Cutout Test
Definition Using INSITE, the Cylinder Cutout Test is used to cutout selected engine cylinders to help aid in troubleshooting cylinder misfires.
Cylinder Liner Protrusion Cylinder Performance Test Cylinder Performance Testing
The distance from the top of the cylinder liner flange to the top deck of the cylinder block. Test in INSITE to check for failed injectors The ability of the ECM to adjust fueling for a cylinder based on the increase in crankshaft speed resulting from the power stroke of the previous cylinder in the firing order. The contribution each cylinder makes to overall engine power is displayed in INSITE as a percentage. A seal band located near the top of the injector which seals oil at the top of the rocker cover. Screen used to monitor selected parameters in the INSITE service tool. 1) The electrical connection that allows an external electronic device, such as INSITE, to be connected to the ECM. This connection is used for communication and data transfer.2) Communication system that allows a vehicle control ECM to communicate with other devices. The SAE communication standard used to allow the transfer of information between the ECM and other electronic devices.
Damper Ring Data Monitor Logger Datalink
Datalink Protocol Datalogger Dataplate Dataplate - Electronic Date Code DC DCA DCA4 Deadrise Deaerating Cooling System
The electronic feature that provides the ability to record monitored information. Identifying information for an engine, vehicle or aftertreatment system. The information contained on the engine dataplate that is stored electronically in the ECM. A numeric, symbolic, or alphabetic code that represents a date. See Direct Current. See also Date Code. See Diesel Coolant Additive See Diesel Coolant Additive. The angle at which the bottom of the hull angles upward from the keel. Cooling system utilized on many Cummins engines that aids in purging air from the cooling system during initial coolant fill and during operation. This system also provides a positive flow of coolant at the water pump during all engine operating conditions.
De-aeration De-aeration System Dealer Deceleration Throttle
The removal, bleeding or purging of air See Deaerating Cooling System A repair center under contract to a Cummins distributor. Device used to allow the operator to slow down the engine by pressing a deceleration throttle for applications where the engine`s primary accelerator input is at a fixed position. The decomposition reactor has an integrated diesel exhaust fluid diffuser and will be supplied with the Aftertreatment DEF Dosing Valve already mounted on the reactor flange. The tube is designed so that the ammonia in the injected diesel exhaust fluid can decompose and be adequately mixed with the exhaust stream before it reaches the front face of the Aftertreatment SCR Catalyst.
Decomposition Reactor
Decomposition Tube
Dedicated Oil Fill Boss Dedicated Pinout Dedicated PWM Output
The Decomposition Tube has an integrated diesel exhaust fluid diffuser and will be supplied with the aftertreatment diesel exhaust fluid dosing valve already mounted on the reactor flange. The tube is designed so that the ammonia in the injected diesel exhaust fluid can decompose and be adequately mixed with the exhaust stream before it reaches the front face of the aftertreatment selective catalytic reduction catalyst. Mounting location for Oil Dip Stick. Pinout structure with one signal mapped to one specific component. Feature that allows the OEM to create a pulse width modulated signal whose duty cycle is selected by the calibration.
DEF Delivery Valve Delphi DP210
Term
Definition See Diesel Exhaust Fluid The high pressure fuel line connection to the fuel pump used to maintain fuel volume and pressure in the line. The Delphi DP210 distributor-type fuel injection pump can be found on industrial tier2/stage II certified B series applications.
Dermal Detergent Deutsch connectors Deviation Diagnostic Lamp
Of or pertaining to the skin Lubricant additive that controls rust, corrosion, and resinous build-up. Multipin electrical connectors that are sealed against the elements. Outcome different from the specification. The light used to alert the operator of certain faults in the system. This light will flash, indicating stored fault code information.
Diagnostic Lamps Diagnostic Session Diagnostic Session Action Buttons
See Diagnostic Lamp A diagnostic session provides a way to record and track the diagnostic and repair work for a given engine repair. The diagnostic session action buttons implement specific actions for the current active diagnostic session. These buttons include the following: Details, Close and Exit. The diagnostic session details screen provides information about a specific diagnostic session. Notes and attachments left by previous users are visible here as well as a historical record of searches made by previous users.
Diagnostic Session Details
Diagnostic Session ESCALATE Button
Diagnostic Session Note
The diagnostic session ESCALATE button is used to escalate a diagnostic session in EDS. The diagnostic session will be marked as escalated to help Cummins support engineers identify difficult engine problems. The diagnostic session history table shows the history of all actions taken in this diagnostic session. The diagnostic session ID can be used by any other EDS users to search for and view a diagnostic session. The diagnostic session list will display all diagnostic sessions for the given engine serial number, listed in chronological order with the most recent first. The diagnostic session notes can be used to record and save any notes related to the diagnosis and repair of an engine.
Diagnostic Session Status Area
The diagnostic session status area is the area at the top of the page that shows information about the current diagnostic session.
Diagnostic Session Work List
The diagnostic session work list screen provides an overview of the recent diagnostic sessions of a technical service workgroup. Users can view individual diagnostic sessions or, if the user has permission, can continue diagnosis/repair work of a diagnostic session. A diagonal movement is when a vessel moves both in the ahead or astern direction, while simultaneously moving in the port or starboard direction. From one corner across to another. An instrument for measuring thicknesses and internal or external diameters inaccessible to a scale. A dividing membrane or partition. A liquid fuel used in internal combustion engines. Diesel fueled engines usually use the heat of compression to ignite the fuel instead of a spark plug. The DCA additive provides protection to the cylinder liners by preventing the formation of air bubbles in the coolant on the surface of the cylinder liners. The name given to the fluid when urea is mixed with water to a 32.5% solution. The composition of this solution is defined in ISO standard ISO 22241-1. The diesel exhaust fluid solution is a clear liquid with a weak ammonia odor. The line heater relay enables line heating for all three diesel exhaust fluid lines and stays on when the key is on.
Diagnostic Session History Table Diagnostic Session ID Diagnostic Session List
Diagonal Dial Calipers Diaphragm Diesel Diesel Coolant Additive Diesel Exhaust Fluid Diesel Exhaust Fluid Line Heater Relay
Term Diesel Exhaust Fluid Line Heaters Diesel Exhaust Fluid Lines Diesel Oxidation Catalyst Diffuser Plate Digital Multimeter Diode Direct Air Flow Filter
Definition Diesel Exhaust Fluid Line Heaters heat the lines that carry diesel exhaust fluid to and from various locations in the selective catalytic reduction system. Diesel Exhaust Fluid Lines carry diesel exhaust fluid to and from various locations in the selective catalytic reduction system. Type of passive aftertreatment system that is a simple flow-through system containing a catalyst that converts hydrocarbons (HCs) and NOx to NO2 and water (H2O). The plate located between the compressor housing and bearing housing on the turbocharger. This plate houses the oil slinger.
Displacement Hull
One tool combining the capabilities of a voltmeter, ammeter, and ohmmeter in one piece of test equipment. An electrical one way check-valve. A rectifier. The Direct Air Flow Filter is an air filter element used in marine applications to filter out particulates from the air entering the engine. The flow of electrons is in one direction from a source, through the circuit, and back to the source. The mounting flange provides support for the direct current motor and is a key component for securing the drive leg. Turning a programmable feature OFF. Lubricant additive that suspends oil in soluble material in the lubricant to minimize sludge formation, particulate-related abrasive wear, viscosity increase, and oxidation-related formation. Type of hull with rounded and tapered sterns. Often has Wine Glass Profile, Vertical Bow, Deep Draft and a Large Keel.
Displacement, Fluid
The weight or volume of a fluid displaced by a floating body, used especially as a measurement of the weight or bulk of ships.
Displacement, Mechanical
The volume marked out by a piston as it travels from the top of its stroke to the bottom. For a multicylinder engine the total engine displacement is the displacement of one cylinder multiplied by the number of cylinders in the engine.
Direct Current Direct Current Motor Mounting Flange Disable Dispersant
Distributor An engine sales and service location under contract to Cummins, Inc. Distributor Original Equipment Manufacturers Direct customers of Cummins distributors. Distributor Pump
A gear driven pump that creates the high pressure for injection and a distributor that directs fuel to the injector nozzles.
DOC Docked DOEMs Dongle Dosing Control Unit
See Diesel Oxidation Catalyst The positioning of a window in a fixed location on the computer screen See Direct Customers of Cummins Distributors. A protection device that plugs into a computer port. The device helps to prevent the duplication of software. The dosing control unit is an electrical device in the SCR system that meters and pumps the required dosage to the urea injection nozzle as directed by the ECM. System for the injection of a chemical reagent upstream of the catalyst. A technique where a mouse button is pressed twice in rapid succession. Locating ring mounted so that it protrudes from the surface of one of two mating components. This protrusion then fits into a bore in the mating component to locates the position of the components relative to one another. Dowel rings are typically used for components such as: cylinder head, rod cap, main cap, or flywheel housing. A trolling rig that consists of a weighted cable attached below the boat to a fishing line, used to troll live bait at or near the floor of a body of water and eliminating the need for a weight on the fishing line.
Dosing Systems Double-Click Dowel Ring
Down rigger
Term DPF Draft
Definition See Diesel Particulate Filter The depth of the ship below the waterline, measured vertically to the lowest part of the hull, propellers, or other reference point. When measured to the lowest projecting portion of the vessel, it is called the extreme draft, when measured at the bow it is called the forward draft, and when measured from the stern, it is called the after draft. The average between the forward draft and the after draft is called the mean draft, and when the vessel is fully loaded it is called the load draft.
Drag Drive Chain
The retarding force exerted on a moving body by a fluid medium such as air or water. A roller type steel chain with 82 links, and it takes the movement of the idler sprocket and transfers it to the camshaft sprocket.
Drive Coupling Drive Leg Droop
The drive coupling connects the electric motor output shaft to the drive leg. The drive leg is a lubed and sealed unit that transfers the rotational energy from the electric motor to the propeller. The percentage of speed reduction which occurs when the load on an engine is changed from zero to full load. Droop % = [(Maximum No-Load Speed – Breakpoint Speed) / Breakpoint Speed] X 100 A user entry box from which the desired response can be selected from a predetermined list. See Diagnostic Session ID Dual outputs based on sensed parameters provides up to two independent switched outputs for OEM use.
Drop Down Box DSID Dual Outputs Based on Sensed Parameters Ductile Ductile Iron
The property of metal that allows it to permanently deform prior to fracture. A form of cast iron achieved when magnesium is used to promote the formation of graphite or carbon in the tiny spheres rather than flakes. The process produces a machinable cast iron that has greatly improved strength, improved ductility and toughness.
Ductility Duty Cycle Duty Cycle Map Duty Cycle Monitor
The ability of a material to deform plastically (or permanently) prior to eventual fracture. The amount of on time as compared with the total amount of time for a PWM signal. Average of fuel rate over customer’s duty cycle represents fuel consumption for a specific marine customer. The Duty Cycle Monitor under Advanced ECM Data, tracks the time the engine spends in 50 different operating regions.
Dynamic Balance
The propeller is placed upon an electronic balancing machine and rotated at a specified RPM. The machine will remove material and respin to confirm dynamic balance. An instrument for measuring force or power. See Electronically Controlled Injection See Electronic Control Module See Electronic Control Module Cooling Plate See Electronic Control Module Image See Electronic Control Module Passwords See Electronic Control Module Power Connector See Electronic Control Module Template See Electronic Control System See Electronic Control Unit, another name for an ECM See Electronic Fuel Control Valve Assembly Style of gasket using a steel shim with a seal material attached to its edge. A user entry box in which the desired response can be entered directly in the box.
Dynamometer ECI ECM ECM Cooling Plate ECM Image ECM Passwords ECM Power Connector ECM Template ECS ECU ECVA Edge Molded Gasket Edit Box
Term EDS EDS Screen Header EFC Actuator Override Test EFC Valve EGR EGR Connection Tubes EGR Cooler EGR Crossover Tube EGR Differential Pressure Sensor
EGR Differential Pressure Sensor Tubes EGR Mixer EGR Orifice Pressure Sensor EGR Temperature Sensor EGR Valve EGR Valve Motor EGR Valve Position Sensor EGTS EHAB Valve Elasticity Electric Fuel Lift Pump Override Test Electric Lift Pump Electrical Inputs Electrical Outputs Electrolysis Electromagnetic Interference Electron Electron Current Flow
Definition See Expert Diagnostic System See Expert Diagnostic System Screen Header See Electronic Fuel Control Actuator Override Test See Electronic Fuel Control Valve Assembly See Exhaust Gas Recirculation See Exhaust Gas Recirculation Connection tubes See also Exhaust Gas Recirculation Cooler. Component mounted in the exhaust flow path, after the EGR valve that uses engine coolant to reduce the temperature of the recirculated exhaust gas. See also Exhaust Gas Recirculation Crossover Tube. Tube that carries the EGR gases from the EGR Cooler across to the intake side of the engine. The EGR Differential Pressure Sensor measures the difference in pressure between two points in the exhaust gas flow path. The ECM uses this input to calculate the mass flow of the recirculated exhaust gas into the intake system. Tubes that carry the exhaust gas to the EGR Differential Pressure Sensor. A device that is used to combine the fresh intake air and the EGR gases to produce the charge air for combustion. The EGR Orifice Pressure Sensor, on heavy duty engines, input is used with the intake manifold pressure sensor to improve EGR flow reading accuracy. The EGR Temperature Sensor is used in conjunction with the EGR Differential Pressure Sensor by the ECM to calculate the volume of re-circulated gases that enter the intake manifold from the EGR valve. A valve controlled by the ECM, which adjusts to control the amount of exhaust gas moving from the exhaust manifold into the intake manifold. Motor controlled by the ECM that is used to open and close the EGR Valve. Sensor that measures the position of the EGR valve. Exhaust Gas Temperature Sensor Device used to control the fuel supply in and out of the Bosch RP39 fuel pump. The property of being able to return immediately to the original size and shape after being stretched or squeezed. The Electric Fuel Lift Pump Override Test can be used to check the operation of the Electric Lift pump by cycling it off and on without the engine running. An electric pump controlled by the ECM through a relay. Each time the key is turned on the ECM turns on this pump for a set period of time to insure easy starting and shorter cranking time. Inputs are electrical devices, typically sensors and switches, that provide signals used to determine operating conditions or desired operation. Output devices control fuel flow, engine timing, and the operation of components such as the electronic fan clutch. When two different metals are physically or electrically connected and submerged in seawater, they become a battery, and start a process called electrolysis. Any disturbance in an electrical circuit due to electromagnetic pollution. A basic particle of an atom. Electrons have a negative charge or polarity. The electrons orbit around the nucleus in layers. Electron movement flowing from the negative terminal of the source, through the conductors to the load, and back to the positive terminal.
Term Electronic Control Module
Definition A computer portion of the electronic control system that is responsible for engine control, diagnostics, and user features. This component receives signals from engine sensors and OEM switches. It contains software based control algorithms and diagnostic algorithms. These algorithms process the input signals and transmit signals to the appropriate output devices.
Electronic Control Module Cooling Plate Electronic Control Module Dataplate Electronic Control Module Image Electronic Control Module Passwords Electronic Control Module Power Connector
Plate mounted under the ECM and uses air low or fuel flow to protect the ECM from heat produced by the engine. The electronic control module (ECM) dataplate displays information about the ECM. A recording of all of the settings and readings from an ECM at a specific moment in time. The security passwords used to protect data and settings stored in an ECM The ECM Power Connector is a 4-pin power connector on the ECM.
Electronic Control Module Template
A recording of all of the settings for a particular ECM. This template can then be transferred to another ECM to configure it in the same way. Manual that contains helpful information to help troubleshoot electronic engines equipped with an ECM.
Electronic Control System T and R Manual Electronic Control System Troubleshooting and Repair Manual Electronic Fan Clutch Electronic Fuel Control Actuator Override Test Electronic Fuel Control Valve Assembly
Electronic Throttle and Shift System Electronic Throttle Shift Power Harness Electronically Controlled Injection Eliminator Eliminator™ Filtration Emergency Shutdown EMI Emissions Empathy Enable End Play Engine Brake
Manual that contains helpful information to help troubleshoot electronic engines equipped with an ECM. Device that allows the ECM to control the operation of the cooling fan. The Electronic Fuel Control (EFC) Actuator Override Test can be used to validate the electronic fuel control (EFC) Actuator operation by allowing the user to open and close the actuator. This assembly contains fuel passages, sensors, a shutoff valve, and actuators to control the flow of timing and metering fuel to the engine. The part of the QUANTUM fuel system that provides the mounting for the fuel actuators and shutoff solenoid. The electronic throttle and shift systems permit gear and throttle control. An electronic throttle shift power harness, which is an OEM component, connects the power source to the throttle control processor module. The first Cummins electronic system that was not an add-on to the PT fuel pump. Self-cleaning oil filter assembly that provides the maximum filtration, the least amount of filter maintenance, and the lowest cost of operation of all of the oil filter options. A filtration option that uses an engine mounted oil filter which cleans itself as it cleans the engine oil. Switch used to remove all electrical power from the engine in order to shutdown the engine quickly in case of an emergency. See Electromagnetic Interference The various chemical compounds released into the atmosphere after combustion has taken place. Empathy is the ability to see the situation from the viewpoint of the customer. Empathy is not sympathy. Turning a programmable feature ON. The amount a shaft can travel in a fore and aft direction. An optional component that enhances the engines ability to slow the vehicle in coasting situations. It works by opening the exhaust valve when the piston is at the top of the compression stroke. Any energy stored in the compressed air is released into the exhaust system and not returned to the piston on its next downward stroke. See also Intebrake.
Term Engine Camshaft Position Sensor
Engine Camshaft Speed Sensor
Engine Connector Engine Coolant Level Sensor Engine Coolant Temperature Sensor Engine Crankshaft Position Sensor Engine Crankshaft Speed Sensor Engine Data Area Engine Dataplate Engine Derate Engine Family Search Engine Governor Type Engine Heaters
Engine Hour Offset Engine Intake Throttle Actuator Engine Knock Engine Oil Pressure Sensor Engine Oil Pressure Switch Engine Oil Temperature Sensor Engine Position Sensor Engine Protection Engine Protection Restart Engine Protection Shutdown Engine Protection Witness Test
Definition The Engine Camshaft Position Sensor is used by the ECM to determine engine position by reading special machining on the camshaft gear. The ECM uses this sensors input for controlling the electronic fuel systems timing. This sensor can act as a backup signal to the ECM should the engine speed sensor fail. The Engine Camshaft Speed Sensor is used by the ECM to determine engine position by reading special machining on the camshaft gear. The ECM uses this sensors input for controlling the electronic fuel systems timing. This sensor can act as a backup signal to the ECM should the engine speed sensor fail. The Engine Connector is a 60 pin engine harness connector on the ECM. The Engine Coolant Level Sensor is mounted in the cooling systems top tank. The sensor indicates low coolant level and is used for engine protection. The Engine Coolant Temperature Sensor allows the ECM to determine the coolant temperature. Hall-effect sensor supplying a signal based on a tone wheel on the crankshaft. The signal from this sensor is used by the ECM to determine the engine speed and crankshaft position. Hall-effect sensor supplying a signal based on a tone wheel on the crankshaft. The signal from this sensor is used by the ECM to determine the engine speed and crankshaft position. The engine data area includes a data entry field for the engine serial number and pull down data entry fields for other engine characteristics. A plate located on the front gear cover containing information about the engine. A torque reducing feature intended to minimize or prevent engine damage due to a system not functioning properly. Search option in QuickServe Online See Accelerator Type Electrical resistance heaters installed in the engine`s cooling system. These heaters turn on when the engine is off and keep the coolant and engine temperature above a set minimum. This enables the engine to start quickly with little or no warm-up. Adjustable parameter that increases the total engine operating time stored in the ECM. This is typically used when a new ECM is installed on an engine. The Engine Intake Throttle Actuator helps control the engine emissions though better control of the intake air. See also Pre-Ignition. Sound created by the detonation or abnormal combustion in an engine cylinder that is developed from the uncontrolled collision of multiple flame fronts. The Engine Oil Pressure Sensor indicates the pressure of the oil as an input to the engine protection system. The Engine Oil Pressure Sensor indicates the pressure of the oil as an input to the engine protection system. This sensor is used by the ECM to monitor the lubricating oil temperature. Measures the position of the engine by the use of a variable reluctance sensor or a Hall Effect sensor. See also Camshaft Position Sensor. Programmable feature that, when enabled, allows the electronic control system to derate or shutdown the engine when specific critical operating criteria are met in order to prevent engine damage. Feature that prevents the engine from being restarted if it has been shut down because of an engine protection fault. Programmable feature that, when enabled, causes the ECM to shut the engine down to prevent damage when specific critical operating criteria are met. Test in INSITE that allows an operator to simulate engine sensor values that result in an engine protection fault and/or shutdown.
Term Engine RPM Engine Serial Number Update Button Engine Speed Sensor
Engine Warm-Up Protection
Definition Crankshaft speed stated in revolutions per minute (RPM). The engine serial number update button is used to update the repair history for a specific engine. Hall-effect sensor supplying a signal based on a tone wheel on the crankshaft. The signal from this sensor is used by the ECM to determine the engine speed and crankshaft position. Feature that limits the engine speed and torque until the oil pressure reaches a specified threshold. Hall-effect sensor supplying a signal based on the position of machined surfaces in the camshaft. The signal from this sensor is used by the ECM to determine the camshaft position. Feature that limits the engine speed and torque immediately after startup until the ECM detects sufficient oil pressure.
Environ Environmental Protection Agency
An industrial hygiene firm A federal agency with the responsibility for regulating exhaust emissions, among many other things pertaining to the environment.
EOBD EPA EPF EPS Erosive Wear
Euro On-Board Diagnostics Environmental Protection Agency Engine Protection Fault See Engine Position Sensor One form of abrasive wear that occurs when solid particles of dirt and debris are carried in a transporting medium across a surface thereby wearing it away. Engine Serial Number Electronic Smart Power See Engine Speed Sensor Regulated cold start aid. European Union European emission standards. LPG system component that transforms the liquid fuel into a gaseous form via heating the fuel. Type of passive aftertreatment system that uses a diesel oxidation catalyst section plus a soot filter section that traps the particulate matter or soot. Often referred to as a brick, the Exhaust Catalyst Element is used in the aftertreatment process. The various chemical compounds released into the atmosphere after combustion has taken place. The exhaust gas pressure sensor measures exhaust gas pressure in the exhaust manifold. This information is used by the ECM for EGR valve operation. The process of taking a portion of the exhaust gas, cooling it, combining it with fresh air, and returning it to the combustion chamber for the purpose of reducing NOx emissions. Stainless steel tubes used to move the EGR gases from the EGR Valve to the EGR Cooler and also from the EGR Cooler to the EGR Mixer. The Exhaust Gas Recirculation Differential Pressure Sensor measures the exhaust gas pressure drop across the exhaust gas recirculation differential pressure orifice. This pressure drop is used to calculate the amount of exhaust gas recirculation flow into the intake manifold. The Exhaust Gas Recirculation Orifice Pressure Sensor, on heavy duty engines, input is used with the intake manifold pressure sensor to improve exhaust gas recirculation flow reading accuracy.
Engine Speed Startup Limiting Engine Speed/Position Sensors
ESN ESP ESS Ether Injection EU EURO3 and EURO4 Evaporator Exhaust Catalyst Assembly Exhaust Catalyst Element Exhaust Emissions Exhaust Gas Pressure Sensor Exhaust Gas Recirculation Exhaust Gas Recirculation Connection Tubes Exhaust Gas Recirculation Differential Pressure Sensor Exhaust Gas Recirculation Orifice Pressure Sensor
Term Exhaust Gas Recirculation Temperature Sensor Exhaust Gas Temperature Sensor Signal Converter Exhaust Gas Temperature Sensors Exhaust Gas Treatment Monitor Unit Expert Diagnostic System Expert Diagnostic System Screen Header Extended Coverage Extended Major Components Warranty FAE Fail Codes Fan Control Fan Control Switch Fan Override Test Fatigue Fatigue Failure Fatigue Strength Fatigue Test Fault Code Fault Trees FCD Pistons Feature Control Switches Features and Parameters Feedback/Help Link Field Campaign Filter Efficiency Filter Module
Definition The Exhaust Gas Recirculation Temperature Sensor is used in conjunction with the exhaust gas recirculation differential pressure sensor by the ECM to calculate the volume of re-circulated gases that enter the intake manifold from the exhaust gas recirculation valve. Converts the Resistance Value of the Exhaust Gas Temperature Sensors into a Voltage Signal. The Exhaust Gas Temperature Sensors measure the temperature of the exhaust before and after the catalyst. Electronic system that performs the monitoring and diagnostic function for the Aftertreatment system and signals dash-mounted warning lamps Cummins Expert Diagnostic System is a web based troubleshooting tool that is designed for diagnosing problems with Cummins engines. URL: http://cummins.kaidara.net/cummins The Expert Diagnostic System (EDS) screen header is a common header that appears above all of the EDS screens. There are several links in this header to do common actions such as logout or report an issue with EDS. A CAP that provides additional coverage beyond the base engine warranty coverage. This coverage begins at the base warranty start date and expires at the term selected by the customer and agreed to by Cummins Inc. Provides additional coverage beyond the base engine warranty for specific engines and parts for a limited time period. Full Authority Engine Six letter codes used to identify the component that has failed and the nature of the failure. A feature that allows the ECM to turn the fan on or off in response to certain inputs. The Fan Control Switch is used on engines featuring an electronically controlled fan. Engines featuring mechanically driven fans will not feature this switch. The Fan Override Test allows the fan to be engaged for an adjustable amount of time. The result of cyclic stress of a level less than the metal`s ultimate strength. The result of a great number of cycles of stress. The combination of the number of cycles and level of stress a metal can withstand over a repeated application. An evaluation of a metal`s fatigue strength. A digital code representing a specific type of control system failure or abnormality. Fault trees, available on QuickServe Online, INSITE and the service literature, provide a guide to troubleshooting the engine. Ferrous Cast Ductile iron (FCD) pistons. The Feature Control Switches include the Cruise Control, Alternate Speed, and Alternate Torque Switches provided to the operator. Screen used to view the ECM`s programmed features and parameters in the INSITE service tool. The feedback/help link is a link in the EDS screen header. The feedback/help link provides access to the Cummins application support team. A list of proactive repair instructions to be followed on a specific group of engines. A measurement of the filter’s retention efficiency. The measurement is typically the number of particles retained by a filter, compared to number of particles present in the fuel that will pass through the filter. The filter module on most Cummins Engines contains a mounting location for the lube oil filter, the volute of the coolant pump, mounting for the water inlet and the oil cooler.
Term Filtration Final Fracture Fire Ring Fire Truck Firing Order FIS Fish Eye Fix-As-Fail Fixed Resistor Flame Plate Fleetguard Flex Section Fluted Mixer Fluted Style Mixer FMI Foam Inhibitors Forcastle FPCM FPPA FPPS Fracture Fracture Split Framatome Connector Free Text Search Tab Freeboard Frequency Frequency Accelerator Frequency Throttle Fretting Wear FRPS
Definition The process of fluid passing through a filter media in order to extract unwanted particles from the fluid. The final stage of a fatigue fracture where the last application of the load exceeding the ultimate strength of the material is in effect a final, single load fracture. Component providing a seal to the top of the combustion chamber. On some engines this ring is part of the head gasket. On other engines this ring may be a separate component from the gasket. Trucks employed to respond to fires, hazardous material releases, rescue and other emergency-type situations. The order in which the cylinders, beginning with No. 1 cylinder, deliver their power strokes. Fault Information System An internal flake in a metal that can cause crack initiation. A repair to an engine or part only when the engine or part has failed. A resistor that does not have the ability to have its resistance value changed. A coolant passage in the cylinder head that puts coolant in close proximity to the combustion chamber. This provides for a more nearly uniform combustion chamber temperature and better combustion. Manufacturer of quality filtration and diesel engine related products. (Customer Assistance Center 1-800-223-4583) Non-rigid mounting system designed to allow some movement between components. The fluted style mixer mixes the recirculated exhaust gas and fresh air with a minimal amount of pressure drop. A style of EGR mixer, that combines the EGR gas and fresh intake air with a minimal amount of pressure drop. Fault Mode Indicator Lubricant additives that restrict the formation of foam by causing air bubbles in the oil to separate. A superstructure fitted at the extreme forward end of the upper deck. See Fuel Pump Control Module See Fuel Pump Pressurizing Assembly. See Fuel Pump Pressure Sensor Any failure that results in a break, or separation of a part into two or more pieces. Manufacturing technique where the connecting rod and rod cap are manufactured as a unit and then mechanically split apart. Electrical connector used for some sensors on Cummins engines. These connectors provide positive engagement with a double locking system. Select the free text search tab to reset the diagnostic search; this is the same as selecting the reset search control button. The distance from the waterline to the upper surface of the freeboard deck at side. The number of vibratory motions that are heard or felt per unit of time, usually one second. It is referred to as cycles per second (CPS) or Hertz (Hz) Feature that converts a filtered accelerator frequency input into a requested accelerator percentage to the ECM. Feature that converts a filtered accelerator frequency input into a requested accelerator percentage to the ECM. Wear caused by small-amplitude, vibration-like movement between the contacting surfaces of two parts that are assembled under extremely close tolerances. See Fuel Rail Pressure Sensor
Term FSOV FTPS FTS Fuel Block Fuel Connector Fuel Consumption Monitor Fuel Control Valve Fuel Control Valve (Air Bleed) Fuel Cooler Fuel Delivery Pressure Sensor
Definition See Fuel Shutoff Valve See Fuel Timing Pressure Sensor See Fuel Temperature Sensor Connection that supplies the fuel inlet to the engine and return fitting for fuel flow back to the fuel tank. The connection that provides a fuel path between the high pressure fuel lines and the injectors. The Fuel Consumption Monitor is an industrial feature that monitors fuel usage over the life of the engine. The Fuel Control Valve is used to shut off the fuel flow to the fuel rail. The Fuel Control Valve after the actuator sends fuel to the return manifold through the air bleed line. A heat exchanger that reduces the temperature of the fuel. The signal from the Fuel Delivery Pressure Sensor is used by the ECM to determine the fuel outlet, or supply, from the fuel pump.
Fuel Flow Limiter
The flow limiter (check ball, seat, and spring) is used to prevent large volumes of fuel from entering the cylinder, thus providing engine protection. The outer wall or cavity of the high pressure fuel lines that captures fuel leaks. Connection that supplies fuel routing to various components. The fuel pump actuator controls fuel to the high pressure pumping plungers as directed by the software calibration. An electronic module mounted on the Bosch VP44 fuel pump. This module controls the opening of the metering control valve.
Fuel Line Vent Cavity Fuel Manifold Fuel Pump Actuator Fuel Pump Control Module Fuel Pump IMV Fuel Pump Pressurizing Assembly Fuel Rail Pressure Relief Valve Fuel Rail Pressure Sensor Fuel Shut-Off Actuator Fuel Shut-Off Valve Fuel System Leakage Test
Fuel Pump Inlet Metering Valve The Fuel Pump Pressurizing Assembly controls the amount of fuel delivered to high pressure pumping chambers. The high pressure fuel rail and other high pressure components are protected from pressure spikes by a high pressure relief valve mounted on the fuel rail. Monitors pressure in the fuel rail. Also known as an Accumulator Pressure Sensor. The Fuel Shut-Off Actuator is used by the ECM to shut off fuel to the fuel injection pump. Valve used to shut off fuel to pumps, injectors, or the entire engine. The Fuel System Leakage Test is a manual test that will increase fuel rail pressure to the same level used at rated power.
Fuel Temperature Sensor Fuel Timing Pressure Sensor Fuel Transfer Block
The input from the Fuel Temperature Sensor is used for fueling calculations and the engine protection system. Sensor that monitors fuel timing pressure. Metal housing that connects to the external fuel lines. On the right side of the engine the fuel passes from the ECVA to the Fuel Transfer Block. On the left side of the engine the fuel is received from drillings in the engine block to the Fuel Transfer Block.
Fuel Transfer Connector Block Fuel Transfer Head Deck Block
Component that connects the Fuel Transfer Head Deck Block to the Fuel Manifold Component that attaches to the top deck of the engine block to provide fuel connections from the block to the fuel manifold.
Full Floating Piston Pin Fuse
A piston pin that is assembled together with the rod and piston at room temperature. A circuit protection device. The protective element in the fuse melts. When the metal melts, the circuit is opened, and current can no longer flow.
Term Fusible Link Gallery Cooling Galvanic Corrosion Gauge Number Gauge Pressure Gauge Pressure Sensor Gauge Sensor GCS Gear Pump General Corrosion Generator Gerotor Pump Gigabyte Glow Plugs Government Contract Sales Governor Governor Type Gray Iron
Definition A circuit protection device. Works by melting a specific portion of its wiring when current exceeds a certain amperage level, the circuit is opened, and current can no longer flow. The process of cooling a component through the use of cast passages that allow the flow of a cooling material such as lubricating oil. Occurs when two dissimilar metals are electrically coupled in an electrolyte such as an oxygen-containing gas or a liquid such as water. Wire diameters are measured using the American Wire Gauge. Each diameter of wire is assigned a gauge number. The larger the gauge number, the smaller the wire. Pressure reading adjusted for atmospheric pressure so that the gauge will read 0 when just the atmospheric pressure is acting on it. Pressure sensor that reads relative pressure that does not include atmospheric pressure in the reading. Sensor that does not include the atmospheric pressure in its reading. This sensor provides a reading of 0 when it is reading atmospheric pressure. Generator-Drive Control System The gear pump provides fuel to the high pressure pump. Characterized by a general deterioration of the surface that proceeds without any appreciable localized attack. Rust is a common example. A power source that supplies electrical force necessary to cause electrical current flow in a circuit. Located at the rear of the high pressure pump. Supplies fuel at approximately 5-7 Bar through the ECM cooling plate, stage 2 filter, and onto the high pressure pump. One billion bytes. Electrical resistance heaters installed in the prechambers to assist in cold starting. A program offered by Cummins Inc. which provides reimbursement to the United States military on the sale of engines and parts. A device that controls the speed of the engine. Governors typically control the idle and the top speed. The Engine Governor Type feature allows the user to select the desired type of governor that will control the engine, Automotive or Variable Speed. A form of cast iron achieved through a slow cooling process producing an iron containing carbon flakes throughout the casting. The iron is very machinable but has low tensile strength and ductility. The fracture surface appears gray in color.
Grid Heater
An electric resistance heater mounted in the intake air system to heat the air for easier starting at low temperatures.
Grinding Wear Ground Ground Loops Hall-Effect Sensor
One form of abrasive wear that occurs when particles become imbedded in the surface of the part itself. An electrical reference point, such as the engine block, used to make electrical measurements with a multimeter. Electrical circuit created between two grounding points. An electrical sensor that uses a change in conductance to indicate proximity to metal, and is used to determine motion or speed. From this signal, the ECM calculates engine speed and position. A property of metal that allows it to resist permanent change of shape. An evaluation of the resistance of metal to indentation or abrasion. Heavy Duty
Hardness Hardness Test HD
Term Heat Exchanger Heat of Compression Heat Treatment Heavy Duty Engines Helical Helm Hertz HEST HHP High Horsepower Engines High Idle High Output Rating
Definition A component that is built for efficient heat transfer from one medium to another, without the mediums touching, joining, or mixing with each other. The heat generated by the compression of air or an air/fuel mixture in the cylinders of the engine. A method of producing desired properties in steel by controlling the heating and cooling process. ISL, QSL, L10, QSM, M11, ISM, ISX, QSX and N series engines. Having the form and section of a spiral. Where a vessel is steered or directed. The unit of measure for frequency. One cycle per second equals one Hertz. High Exhaust System Temperature High Horse Power V and K series engines. Wide open accelerator pedal, no load. Engines that are used in variable load applications where full power is limited to one hour out of every eight hours of operation. In addition, reduced power operations must be at or below 200 RPM of the maximum rated RPM for the vehicle.
High Pressure Common Rail High Pressure Fuel Lines High Pressure Fuel Rail
Fuel system in which a common rail contains the high pressure delivered from the pump to the injectors. The high-pressure fuel lines are used to connect the fuel rail to the individual fuel connectors. The High Pressure Fuel Rail acts as an accumulator for pressurized fuel. The rail is made of laser welded forged steel.
High Pressure Injection - Time Pressure High Pressure Lines High Pressure Pump HMI Holset Holset HX83
Designates the style fuel system where time is variable and pressure in the actuator rail is held constant. Located after the high pressure pump and typically carry fuel pressure up to 23,000 psi. A pump that delivers fluids, such as fuel, at approximately 600 Bar or more. Human Machine Interface Turbocharger manufacturing company. Turbocharger used on the QSK19 CM850 MCRS engine. Utilizes a turbocharger overspeed sensor for better performance and overspeed protection. Wastegated Turbocharger used on the ISL CM850 engines. A unit of power equal to approximately 750 Watts, or 0.75 kilowatts. Keyboard commands that launch specified routines within INSITE. Ctrl-O = Open, Ctrl-S = Save, Ctrl-P = Print, Alt-Enter = Properties, Ctrl-X = Cut, Ctrl-C = Copy, Ctrl-V = Paste, Delete = Clear, Ctrl-A = Select All, Ctrl-F = Find, F3 = Find Next, F5 = Refresh, Ctrl-E = Connect to ECM, Shift+F1 = What`s This
Holset HY40V Turbocharger Horsepower Hot Keys (list of all hot keys)
Hover HPCR HPI-TP HT 100 Turbochargers
The technique of allowing the cursor to remain over a particular item for a short period of time without depressing either mouse button. High Pressure Common Rail See High Pressure Injection - Time Pressure Low pressure turbochargers used in conjunction with the HX83 HP Turbochargers on two stage turbocharging engines.
Hull Human Machine Interface Humidity
The frame or body of a ship, exclusive of masts, engines, or superstructure. A touchscreen device that functions as a user interface for the genset. The amount of water in the air.
Term HX27W Wastegated Turbocharger HX35W Wastegated Turbocharger HX40 Wastegated Turbocharger HX-55 Wastegated Turbocharger HX83 HP Turbochargers HY30W Wastegated Turbocharger HY35W Wastegated Turbocharger Hydrocarbon Hydrodynamic Lubrication Hydrolyze Hydromechanical IAT Sensor ICM Icons ID Bit Idle Shutdown Idle Validation Idle Validation Switch Idler Gear Idler Pulley Idler Sprocket IFSM Ignition Module Ignition Timing IMP Sensor Impact Test Impeller IMT Sensor Inactive Fault Inclusions Indium Industrial Accelerator Default
Definition Wastegated Turbocharger used on the European four cylinder ISB CM800 engines. Wastegated Turbocharger used on all six cylinder ISB CM800 engines. Wastegated Turbocharger used on the ISC CM554 and ISL CM554 engines. Turbocharger used on the ISM CM570 engine. High pressure turbochargers used on QSK50 single stage turbocharging engines. Wastegated Turbocharger used on the US four cylinder ISB CM800 engines. Wastegated Turbocharger used on the ISC CM850 engines. A chemical compound composed of only hydrogen and carbon in various ratios. A form of lubrication in which the shape and relative motion of the sliding surfaces of a part cause the formation of a lubricant film that has sufficient pressure to separated the surfaces. The process of converting urea into ammonia molecules. System using hydraulics, or fluid flow, and mechanical action to control motion of a component. Intake Air Temperature Sensor Ignition control module. This module receives inputs from the ECM to control the ignition process. A small picture displayed on a computer screen that represents a routine or function. Positive and negative connections at pins 47 and 48 in the engine harness connectors that allow the ECM to identify whether it is operating as a primary or secondary ECM. The idle shutdown feature reduces the amount of fuel burned and increases engine life by shutting down the engine after a period of engine idling with no driver activity. Circuit in the accelerator pedal that is used to confirm that the pedal position is either at idle or off-idle. Part of the accelerator pedal assembly that provides the idle and off-idle signal to the ECM. Gear used to transfer motion from a drive gear to a driven gear. Idler gears are typically mounted on a stationary shaft. Pulley used to provide a change of direction to a drive belt. A sprocket that sits on the idler shaft and transfers the movement of the idler gear to the drive chain. See Integrated Fuel System Module Formerly called the Capacitive Coil Driver this module receives the reference and fire signals from the ECM and determines when to fire each spark plug. The number of crank angle degrees BTDC when the start of injection occurs. Intake Manifold Pressure Sensor. See also Boost Pressure Sensor. An evaluation of metal to resist fracture when it is irregularly shaped. A rotating device used to force air in a desired direction. Intake Manifold Temperature Sensor A fault that was out of range at one time but is currently within range Undesirable particles retained in finished metal (sometimes called non-metallic inclusions). A malleable silvery metallic element Feature that determines the default accelerator values to be used when certain accelerator system errors become active. The intent of this feature is to allow continued engine operation at sufficient power to maintain accessory loading.
Term Industrial Equipment
Intake Air Grid Heaters Intake Air Heater
Definition Any engine marketed by Cummins for which no other specific warranty certificate is provided; including all models used in crane, drill and excavator applications not used for on-highway propulsion. A software tool used by Cummins Inc. and is designed to store and communicate information vital to the operation of Cummins Inc. To take, as food, into the body An act or instance of breathing Repeated applications of stress at a sufficient level cause irreversible damage to the component in the form of sub-microscopic cracks. Injector test used to ensure free movement of the needle in the injector. Test in INSITE to check for failed injectors Each injector has a drain line that leads to a common injector drain manifold. Uses a ball-type check valve to prevent excess fuel flow in the case of a malfunctioning injector. Injector test used to determine if the injector needle is seating properly. The input from the Injector Metering Rail Pressure sensor is used by the ECMs to ensure that the rail actuator is providing the fuel flow needed for the engine operating conditions. Injector test used to determine the injector opening pressure. The ring that seals the injector in the bore to prevent combustion gases from leaking past the injector. Injector test used to determine if all of the holes in the injector nozzle are open and functioning properly. The high-pressure fuel lines are used to connect the fuel rail to the individual fuel connectors. The EGR Mixer SAE J1939 protocol communications tool used to connect the ECM to a PC. SAE J1939 protocol communications tool used to connect the ECM to a PC. SAE J1939 protocol communications tool used to connect the ECM to a PC. The Inline Air filter separator prevents damage or contamination of the SCR systems air components. Datalink adapter that has J1587 protocol communications used to connect the ECM to a PC. Datalink adapter that has J1587, J1708, and J1939 protocol communications used to connect the ECM to a PC. Electrical devices, such as sensors and switches, that provide signals that indicate engine operating conditions and switches that provide operator input to determine desired operation. The PC based electronic service tool used to diagnose and calibrate Cummins electronic engines. Used to prevent the flow of electricity, such as the coating on an electrical wire. Examples of good insulators include: plastic, rubber, glass. May refer to heating / cooling properties such as the insulation found in heat shields. Electronic heater installed on the engine to increase the intake air temperature during cold startup conditions. An electric resistance heater mounted in the intake air system to heat the air for easier starting at low temperatures.
Intake Manifold Pressure Sensor Intake Manifold Pressure/Temperature Sensor
Senses intake manifold pressure for the ECM. This sensor is used by the ECM to determine intake manifold pressure, or boost, produced by the turbocharger and to determine the temperature of intake air for fueling control.
Information Management System (IMS) Ingestion Inhalation Initiation Injector Chatter Test Injector Check Valve Leak Test Injector Drain Line Injector Flow Limiter Injector Leakage Test Injector Metering Rail Pressure Sensor Injector Pop Test Injector Sealing Ring Injector Spray Pattern Test Injector Supply Lines (High Pressure) Inlet Mixer INLINE 5 INLINE 5 Adapter INLINE Adapter Inline Air Filter INLINE I INLINE II Inputs INSITE Insulation
Term Intake Manifold Temperature Sensor Intake Manifold Temperature/Pressure Sensor Intebrake
Integrated Fuel System Module Interact System Intercooler Intermediate Speed Control Intermediate Speed Control - Engine Speed Set Points Intermittent Rating
ISC ISC Maximum Speed ISO ISO 18/16/13 ISO 4406 Isochronous Governing IVS J1587 J1587 Datalink J1587 Node J1708 J1939 J1939 Backbone
J1939 Datalink J1939 Engine Network J1939 Node Jacket-Water Aftercooling
Definition The input from the Intake Manifold Temperature Sensors is required by the engine protection system, starting, as well as for fuel metering and injection timing. This sensor is used by the ECM to determine intake manifold pressure, or boost, produced by the turbocharger and to determine the temperature of intake air for fueling control. An optional component that enhances the engines ability to slow the vehicle in coasting situations. It works by opening the exhaust valve when the piston is at the top of the compression stroke. Any energy stored in the compressed air is released into the exhaust system and not returned to the piston on its next downward stroke. See also Engine Brake. Fuel system assembly used to house the fuel pump, actuators, dampers, pressure regulators, fuel rails, fuel filter, and various other components. The Interact System is Cummins automotive/on-highway full-authority electronic engine control system. Component used to lower the air temperature between two turbochargers connected in series. Feature that controls the engine speed to one of the specific setpoints within an operating range. Up to three adjustable parameters that determine the engine speed at which the ECM will attempt to hold the engine when operating under ISC mode of operation using the ISC switches. Engines with intermittent use in variable load applications where full power is limited to two hours out of every eight hours of operation. These engines must also have 200 RPM or below of the maximum rated RPM for reduced power operations. See Intermediate Speed Control The upper engine speed limit for all Intermediate Speed Control operation. International Organization for Standardizations A three number coding system that corresponds to the numbers of particles of a size greater than 4, 6 and 14 microns per milliliter respectively. The reference number given to the standards for diesel fuel cleanliness. Governor that holds engine speed constant within the capability of the engine. See Idle Validation Switch An SAE software communications standard The original datalink used as the cab interface and diagnostic tools connection used to link the ECM with the INSITE service tool. Any device sending signals over the J1587 communications datalink. An SAE hardware communications standard An SAE hardware and software communications standard ECM J1939 Datalink connection in which service tools and other J1939 devices communicate with the ECM. This bus can be extended 150 feet with minimal outside interference to communication data. The Main Bus is constructed with a twisted pair of wires with shielding. It is terminated with a 120 ohm resistor at each end. The new, faster communication standard that allows cab interface service tools and some other vehicle controllers, such as transmission shifting, braking system, and traction control systems, to communicate with the ECM. The J1939 is the dedicated datalink used for data transfer between the ECMs. Any device sending signals over the J1939 communications datalink. The process of passing fresh intake air that has been heated by turbocharging through a cooler. The intake air then transfers the heat to engine coolant flowing through the cooler.
Term Jackscrews Jiggle Pin J-Jet J-Jet Cooling Nozzles J-Jet Piston Cooling Nozzles JSA Keystone Profile Keyswitch Battery Power kilopascal Kilowatt Knock Knorr Bremse Single-Cylinder Air Compressor kPa kW Lambda Language Link Lash Latched Switch Lateral Movement Lean Mixture LED Left Bank Left Hand Threads Left-Bank Left-Click Lift Pump Light Emitting Diode Light Ship Tonnage Limitations Limited Prime Power Generation
Definition A tool or machine operated by a screw used to apply pressure for a short distance. Jiggle Pins mounted in the thermostats upper seal, allow the cooling system to purge air as the system is filled. Style of piston cooling nozzle used on higher horsepower engines. J-Jet Cooling Nozzles are used to deliver lubrication to the pistons. J-Jet Piston Cooling Nozzles are used to deliver lubrication to the pistons Job Safety Assessment Angled top and bottom surface of the piston ring and ring groove. Circuit that provides power to a component only when the keyswitch is in the ON position. A unit of pressure equal to approximately 0.145 psi One thousand watts. When conditions in the cylinder are such that the combustion flame in the cylinder goes supersonic it creates an engine noise. This noise is called knock. The air compressor used on ISBe4 engines. Kilopascal kilowatt The ratio of the actual air/fuel mixture to the ideal (stoichiometric) mixture. A Lambda greater than one indicates a lean mixture. The language link is a link in the EDS screen header. The language link allows you to switch the language that EDS is displayed in. The distance between the crosshead and the rocker arm. Switch that maintains its toggled position when released. When a vessel moves to the port or starboard direction without moving ahead or astern, it is moving in a lateral or side to side movement. An air fuel mixture with an excess of air. A lean mixture will have oxygen present in the exhaust gas. An excessively lean mixture will cause a misfire. See Light Emitting Diode The side of the engine on the left when viewing the engine from the rear. Reversed fastener threads that require turning the fastener clockwise to loosen and counter clockwise to tighten. The left side of a high horsepower gas engine when it is viewed from the flywheel end. (Formerly referred to as the A-Bank)
Limp Home Limp Home Condition
A technique where the left mouse button is pressed and released. Component used to prime the fuel system. See also Electric Priming Pump. A device that emits light when charged, usually in the form of a red glow. Weight of a ship with no fuel, persons, cargo, and water on board A term used to describe the boundary beyond where the Cummins program or warranty ceases to exist. An engine with a limited number of hours in a non-variable load application. It is intended for use where power outages are contracted, and may be operated parallel with the public utility up to 750 hours per year. Feature that allows the engine to be operated in the event of an accelerator position sensor fault. This condition is intended to allow enough fuel pressure in the system to continue to operate the vehicle at restricted power.
Linear Vibration
Movement of an object in a line back and forth.
Term Liner Protrusion Liquefied Petroleum Gas Lite Password
Definition The amount the cylinder liner protrudes above the engine block. Mainly consisting of propane and has approximately an octane rating of 110. The INSITE password that provides functionality to modify all of the features and parameters but not to calibrate an ECM
Liter LNG Load Loaded Water Line Length
Metric unit of measurement for liquid volume. One liter equals 0.264179 U.S. Gallons. Liquefied Natural Gas Converts the energy of the moving electrons to a more useful form. The distance measured from the point where the forward edge of the bow meets the water’s surface to where the edge of the stern meets the water’s surface. This distance is measured when the vessel is loaded to its normal capacity.
Loctite Logout Link LOM Lookup Link Low Idle Adjustment Switch
An adhesive resin that hardens in the absence of air. The logout link is a link in the EDS screen header. The logout link is used to log out of EDS. lube oil module The lookup links loads the Engine Model, ECM Type and Engine Application for the ESN that you have entered. Programmable feature that allows the engine idle speed to be increased or decreased using an OEM supplied toggle switch.
Low Idle Droop Low Idle Shutdown Low Idle Speed Low Idle Speed Adjustment Switch
Adjustable parameter that sets the percentage of idle droop. Feature that shuts down the engine when the programmed idle time is exceeded. Adjustable parameter that sets the default engine idle speed. The Low Idle Speed Adjustment Switch feature allows the low idle engine speed to be adjusted by a cab mounted switch.
Low Swirl Port LPG LTA
Lucas CAV DPA
Port located in the Cylinder Head that creates a low swirl affect on the intake air into the cylinder head. See Liquefied petroleum gas. Low Temperature Aftercooling. Cooling system that provides for coolant flow through the aftercooler separate from the engine cooling system. This provides for lower coolant temperature resulting in lower intake air temperatures. A unit attached to the flywheel end of the engine that houses the oil cooler and the oil filters. Any components that provide lubrication to the engine or engine parts. A magnesium phosphate coating applied through a chemical process to a wear surface to improve initial lubrication and reduce scuffing wear. It has a dark gray to black surface and a textured look. The Lucas CAV DPA distributor-type fuel injection pump can be found on marine and industrial B series applications.
Lucas CAV DPS
The Lucas CAV DPS distributor-type fuel injection pump can be found on European and U.K. B series automotive ratings.
Magnetic Pickup
Speed sensing device utilizing a target passing through a magnetic field to generate a signal that is sent to the ECM.
Main Bus
See also Backbone. ECM J1939 Datalink connection in which service tools and other J1939 devices communicate with the ECM. This bus can be extended 131 feet with minimal outside interference to communication data. The Main Bus is constructed with twisted pair wires, shielding, and is terminated with a 120 ohm resistor at each end. The main platform corresponding to a floor in a building. On this crew boat, the main deck is the cargo deck. Located in the block and measures crankshaft speed.
Lube Oil Module Lubrication System Lubrite
Main Deck Main Position Sensor/Primary
Term Main Search Screen Maintenance Monitor Maintenance Monitor Interval
Definition The main search screen is the primary screen from which you will execute diagnostic searches in EDS. Programmable feature that, when enabled, allows the ECM to calculate a maintenance interval based on hours of operation, or fuel used. Adjustable parameter that modifies the maintenance interval when the automatic mode of maintenance interval calculation is used.
Maintenance Monitor Warning Percent
Adjustable parameter that specifies the desired amount of time that the engine should be in operation before the next maintenance interval. Adjustable parameter that sets the amount of the maintenance monitor interval that has elapsed when the operator is notified.
Maintenance Monitor Warning While Running Makeup Tank Malleable Iron Manometer Manual Bleed Valve Marine Rating Master Disconnect Master Password
Programmable feature that, when enabled, allows the ECM to flash the engine protection lamp to notify the operator that the maintenance interval has been reached while the engine is running. Remote mounted tank to provide makeup oil for the Centinel system. A form of cast iron achieved through a heat treatment process. A device used to measure pressure or pressure differences. Valve on the upper radiator pipe used to purge air from the cooling system during filling. Includes continuous, high output, intermittent and medium continuous. Device used to remove battery power from the engine. ECM password used to perform the functions of the Adjustments and Reset passwords as well as change the passwords.
Master Repair Manual
Manual that contains information on optional components or optional equipment such as air compressors, fan hubs, and hydraulic pumps. The enlarging of a specified window to fill all of the available space on the computer screen. The abbreviation for milliBar. One milliBar equals .001 Bar See CM700 Modular Common Rail Fuel System. The electronically actuated injectors used on modular common rail engines. Microsoft Data Access Components See Mechanical Dump Valve Pressure relief valve designed to prevent excess rail pressure. Imparting residual stress through mechanical means, such as shot peening, ballizing, or surface rolling. Engines intended for powering commercial boats; engines in continuous use in variable load applications where full power is limited to six hours out of every twelve hours of operation. The list of functions and routines that are available in a program. A malignant tumor of the covering of the lung or the lining of the pleural and abdominal cavities, often associated with exposure to asbestos A process of creating residual stress based on the physical reaction of metal when heated and cooled. Case hardening is a common metallurgical process. Chemical compound composed of one part carbon and four parts hydrogen. It`s chemical formula is CH4. Approximately the percentage of methane in a quantity of natural gas. Methane index is important because the percentage of methane affects the octane rating of the gas. See table in Troubleshooting and Repair manual
Maintenance Monitor User Hours
Maximize mB MCM 700 MCRS MCRS Injector MDAC MDV Mechanical Dump Valve Mechanical Process Medium Continuous Rating Menu Bar Mesothelioma Metallurgical Process Methane Methane Index Metric Conversions
Term Micron
Micron Rating Micro-organisms Microprocessor Midrange Engines Mid-stop Liner MIL MilliAmp MIN/MAX Governor Minimize Momentary Switch Momentary Two Position Switch Monomer
Definition µm A unit of linear measure in the metric system used to measure distance from one point to another. It is used like the inch, foot, centimeter and millimeter to measure length, width or diameter of objects. The actual word micron is another term for micrometer. Micron or micrometer means 1 millionth of a meter. A generalized way of quantifying the ability of the filter`s media to remove contaminants of a particular size Creatures that live in the water and feed on the hydrocarbons in the fuel. The portion of the ECM that reads input signals and determines output signals/commands. A, B and C series engines. Style of cylinder liner where a ledge toward the middle of the liner seats on a shoulder in the block. This seat establishes the amount of liner protrusion above the surface of the engine block. Malfunction Indicator Lamp Unit of measurement of the strength of an electrical current equal to one thousandth of an amp. See Automotive Governor The hiding of a specified window to keep it active but not display on the computer screen. Switch that maintains an off position in its released state. A momentary two position switch that maintains a center, or OFF, position when released is used as an input to the system.
Multiple Spark Discharge
A molecule of low molecular weight capable of reacting with identical or different molecules of low molecular weight to form a polymer. A one piece piston manufactured from forged steel The most common Windows compatible pointing device. A standard for compressing video Mid Range. See also midrange engines. Engine component that provides passages for intake air, exhaust and coolant. Pinout structure with multiple signals mapped to it that are provided by a single component. Multiple signals are interpreted based on other inputs. Technology designed to prevent quenching of the spark during certain operating conditions such as low intake manifold pressure.
Multiple Unit Synchronization
System that allows two or more engines to be operated at the same speed, torque, or with commanded throttle input.
Multiplexing NanoNet Filter Media
The transmitting of multiple signals over a single circuit. The NanoNet media is 99.5% efficient at 4 microns of filtration as compared to the original StrataPore media which was 98.7% efficient at 5 microns of filtration. A Cummins CAP that provides warranty on materials and workmanship provided during a NOW engine overhaul. A hydrocarbon based, fossil fuel often found in association with crude oil or coal. The main component of natural gas is methane.
Monotherm Piston Mouse MPEG MR Multiduct Multifunction Pinout
National Overhaul Warranty Natural Gas Necking Needle Lift Sensor Negative Twist Neoprene
Narrowing of the shank of a bolt caused by stretching the bolt. Sensor installed in an injector used to indicate that the needle in the injector nozzle has lifted off of its seat. A notch or bevel on the inside bottom of a piston ring that causes the ring to flex or twist. An oil-resistant synthetic rubber: used chiefly in paints, putties, linings for tanks and chemical apparatus, and in crepe soles for shoes
Term
NPT Port
Definition A basic particle of an atom. Neutrons have no charge or polarity. Protons and neutrons bond together to form the nucleus of the atom. A part that is found to be defective due to material or factory workmanship prior to or during installation. The new diagnostic session button will start a new diagnostic session. A program designed to accept claims from distributors for new engine inspections by the distributor or dealer to familiarize the customer with the engine, the equipment, Cummins service accessibility and warranty programs. Natural Gas. See also CNG. Ammonia Cast iron containing alloying elements (usually nickel or chromium or copper or molybdenum) to increase the strength or facilitate heat treatment Nickel-alloy Insert in the piston that provides for better strength and durability of the piston ring grooves. A synthetic rubber obtained by the copolymerization of acrylonitrile and butadiene, noted for its oil resistance A combination of nitrogen dioxide and nitric oxide that is a result of the combustion process. High NOx levels cause smog and acid rain. Individual device on the J1939 or J1587 system. Criteria in the ECM that are contained in the calibration and cannot be enabled or disabled (turned ON or OFF) with the INSITE service tool. (i.e. engine overspeed protection) The notes table displays any notes made by owners of the diagnostic session. See National Overhaul Warranty Emissions that form when combustion temperatures increase to the point where nitrogen is oxidized along with the fuel. NOx emissions are one component of photochemical smog. The NOx Sensor is used to monitor the various combinations of Nitrogen and Oxygen levels in the SCR system. The sliding portion of the turbocharger that changes the size of the volute exit area. Changing the exit area affects both boost pressure and exhaust backpressure. Threaded port that allows for installation of an inspection device to measure the backpressure in the exhaust system.
Nucleus OBD Octane Rating
The center of the atom. Protons and neutrons bond together to form the nucleus of the atom. See On-Board Diagnostics A measure of a fuels resistance to detonation. For natural gas the octane increases as the percentage of methane increases.
OEM OEM Connector OEM Power Connector OEM Pressure Sensor
See Original Equipment Manufacturer. The OEM Connector is an OEM harness connector on the ECM. The OEM Power Connector is OEM power connector on the ECM. The OEM can use a pressure sensor to read any desired pressure in the system, and input that pressure reading into the Cummins ECM. The OEM Temperature Sensor may be used to detect the temperature of any desired liquid or gas. Camshaft key used to adjust the injection timing by indexing the camshaft in relation to the camshaft gear. Measurement of electrical resistance. An Ohm is the amount of resistance to flow that will allow an Ampere of current to flow with 1 Volt of electrical pressure.
Neutron New Defective Part New Diagnostic Session Button New Engine Inspection NG NH3 Ni Resist Ni-Resist Insert Nitrile Rubber Nitrogen Oxide (NOx) Node Non-Programmable Feature(s) Notes Table NOW NOx NOx Sensor Nozzle Ring
OEM Temperature Sensor Offset Key Ohm
Term Ohm`s law Oil Control Expander Ring Oil Control Ring Oil Control Ring Rails Oil Cooler Petcock Oil Cross-Over Channel Oil Level Sensor Oil Pressure Sensor(s) Oil Pressure Switch Oil Slinger OLS On-Board Diagnostics Open Campaign Display Area Open Circuit Open Loop Open Nozzle Injector Operating Systems Operations and Maintenance Manual OPS Order Original Equipment Manufacturer O-ring Face Connections OSHA OTIS Otto Cycle Out of Range Operation Outboard Over Propping
Definition A mathematical formula which shows the relationship between voltage, resistance, and current. A coil on the inside of the oil control ring used to force the ring against the liner wall with the correct tension. The lowest piston ring which channels engine lubricating oil away from the liner wall through the piston drain back holes in the piston skirt. The larger diameter portions of the oil control ring that contact the cylinder liner. A petcock is a device used to drain the coolant from the system. Drilled channel that transfers oil from one side of an engine block to the other. The Oil Level Sensor advises the operator of low or overfilled oil levels when the engine is static. The Oil Pressure Sensor indicates the pressure of the oil as an input to the engine protection system. The Oil Pressure Switch indicates the pressure of the oil as an input to the engine protection system. The oil slinger is mounted in the bearing housing side of the diffuser plate and slings the oil in the turbocharger to help lubricate the turbocharger impeller shaft and bushings. See Oil Level Sensor On-Board Diagnostics, or OBD, is a computer-based system designed to monitor the performance of some of an engine`s major components including those responsible for controlling emissions. The open campaign display area will display any open campaigns for the given engine serial number. Clicking on the campaign listed will open the campaign in QSOL. The electrical current path is broken The ECM changes fuel quantity based on input from the gas mass flow sensor and excludes the input from the oxygen sensor. Type of injector where the fuel is metered directly into the cup at the bottom of the injector. With this style injector, the fuel in the cup is open to the cylinder but is held in the cup due to cylinder pressure. The basic operating instructions for a personal computer A manual that contains the information in the owner’s manual plus maintenance procedures for various mileage or operation intervals, and troubleshooting information. See Oil Pressure Sensor The number of disturbances or shakes in one revolution of a rotating component. Customers who purchase Cummins engines directly from Cummins Inc. for the use in their chassis. Fitting utilizing an o-ring to provide a positive seal against a flat face of the mating surface. Occupational Safety and Health Administration Open Tool-Interface Specification The four stroke cycle used by many internal combustion engines. The four strokes are intake, compression, power and exhaust. Engine operating parameter that is above the high limit or below the low limit thresholds. Propellers turning away from each other. The propeller requires more power than the engine can give to achieve rated rpm, resulting in engine overload when the boat is fully laden.
Term Overflow Valve Over-molded Actuator Overspeed Protection Owner’s Manual Oxidation Inhibitors Oxides of Nitrogen Oxidize Ozone Paraffin Wax Parallel Circuit Parent Bore Design Particulate Matter Parts Per Million Pass Through Connector Passive Aftertreatment System Passive Regeneration PC PC ID PCC PCN PCS PCV PDF PE Pegboard Fan Mounting Performance Troubleshooting Trees Petcock PGI PGN Pinouts Piston Cooling Nozzle
Definition Externally mounted device used to control the return flow volume of fuel from the fuel pump in the return line. This device works with the fuel lift pump to maintain fuel pressure in the fuel pump gallery. The redesigned black actuator used on the new revised fuel system. This actuator uses optimized material rather than the stainless steel used on previous automotive engines. Feature that monitors the engine speed and shuts down the engine if it exceeds the predetermined parameters. Manual that contains information a typical owner might be interested in. Such as: Engine Specifications, Operating Instructions, Maintenance Guidelines and Warranty Information Lubrication additives that protect the lubricant from oxidation. Differing combinations of oxygen and nitrogen. To combine with oxygen. Form of molecular Oxygen consisting of three atoms linked together. Natural component of diesel fuel. A circuit with the multiple current flow paths available. Cylinder design that contains no sleeves or liners. All solid and liquid material in cooled, diluted diesel exhaust. Is a measure of concentration that is used where low levels of concentration are significant. The ppm value is equivalent to the absolute fractional amount multiplied by one million. Wiring harness connection used to transition the harness from outside the engine through a casting to the interior of the engine. Passive systems are simple pass-through systems that have no actuators and therefore, no requirement for electronic controls; passive systems include the Aftertreatment System and the Aftertreatment Catalyst or (DOC). Occurs when exhaust temperatures are high enough during normal engine/vehicle operation to oxidize the soot in the DPF faster than it is collected. Personal Computer The unique personal computer identification number that is used to register INSITE. Power Command Control See Piston Cooling Nozzle Power Command Supervisor See Pumping Control Valve Portable Document Format - File type used by Adobe Acrobat Reader Performance Emission Industrial engine fan mounting available on industrial QSX15 that provides mounting arrangements with the fan center ranging from 12 inches up to 22 inches from the centerline of the crankshaft. The Performance Troubleshooting Trees (TT) are designed to collect information then proceed with a specific problem. Valve used to open or close a system. Used to drain coolant and purge air out of the cooling system. Power Generation Interface Parameter Group Number Hardware characteristics that define the circuitry, voltage, current, and resistance. A device that sprays oil onto the underside of the piston head. This oil helps to cool the piston and may also provide some lubrication for the piston pin.
Term Piston Cooling Nozzle Regulator Piston Protrusion Pitch Pitting Corrosion Pixel Planning Hull PLC Pleasure Boat
Definition If the pressure is above 25 psi, this regulator allows the oil to flow out to the piston cooling rifle. This regulator is located in the filter head. The distance that the crown of the piston is raised above the deck surface of the cylinder block when it is at top dead center. To dip bow and stern alternately. May also refer to gear teeth or threads. A very localized form of corrosion that normally produces sharply defined holes when localized surface deposits create anodic areas in the part by disrupting the protective oxide film. The smallest unit on a computer screen. Pixels consist of one or more dots of color. Hull type that allows the vessel to rise out of the water. See Programmable Logic Controller A marine propulsion engine that powers a vessel which is never used for commercial, municipal or government purposes.
Plug It Kit PN Pneumatic Actuation Pneumatically Actuated Turbocharger Pole Poles Policy
A kit containing plugs to plug exposed oil holes on an engine during repair. Part Number A method of controlling the variable geometry turbocharger`s exit volute area by using air pressure. Turbocharger that uses air to move the Variable Geometry Turbocharger Actuator. An end of a magnet. Each magnet has at least on north seeking and one south seeking pole. The number of electrically independent switch contacts that are switched simultaneously. A discretionary service that Cummins may provide to financially assist customers who have experienced a failure outside of the normal Cummins warranty guidelines or when there is a need for Cummins to provide goodwill for a positive customer experience.
Polychlorotrifluoroethylene
Synthetic resin belonging to the family of organic polymers, prepared by treatment of an aqueous suspension of chlorotrifluoroethylene with a catalyst composed of a mixture of sodium persulfate and sodium hydrogen sulfite. Polychlorotrifluoroethylene, sometimes abbreviated to CTFE resin, is similar to polytetrafluoroethylene; although it is slightly less resistant to chemical attack, it has the important advantage that it can be shaped by molding or extrusion into solid articles such as gaskets, linings for containers, and parts for valves and pumps. Dispersions of the resin in organic liquids can be used to form protective coatings on surfaces. A thermoplastic resin, (C2F4), that is resistant to heat and chemicals, has an extremely low coefficient of friction, and is used as a coating on cookware, gaskets, seals, and hoses. A drive belt with a multiple vee shaped inside surface that fits into a mating pulley containing multiple grooves. A menu that is typically accessed by a right mouse click and displays a menu from which functions can be selected.
Polytetrafluoroethylene Poly-Vee Belt Pop-Up Menu Port Port Beam Port Closure Actuator Positive Flow Deaeration
The left side of the vessel when seated in the vessel facing the bow or front of the vessel is referred to as the port side. May also refer to a hole in a mechanical object (i.e. fluid port, exhaust port) Left side of a vessel. Electronic device that controls the position of the timing sleeves through a mechanical connection. System using pressurized coolant flow to remove trapped air from the coolant.
Term Positive Twist
Potential Difference Potentiometer Pour Point Depressants Power Command II Power Source Power Take-Off Powerdown Memory Save PPM PRD Pre-Authorization Prechamber Pre-Ignition Pre-Lube Pressure Rationality Diagnostic Pressure Side Filter Primary ECM
Definition A designed movement of the piston ring in the ring groove to make a sealing joint at the top outer edge and the inner lower corner of the groove, which provides for the best blowby seal as the piston and ring react to the combustion force. This ring is installed with the inner groove or notch facing the top of the piston. Difference of electrical pressure between two points measured in volts. a) An instrument for measuring electromotive force. b) An instrument for changing or controlling voltage. Lubrication additives that are used to enable engines to function efficiently at low temperatures. Cummins Power Generation designed engine control system used on power generation engines A source of electrons. A device mounted to the engine or transmission that provides power for accessories such as hydraulic pumps. The recording of information in the ECM memory after key off. This function requires that the ECM receive battery power through an unswitched circuit. See Parts Per Million See Pressure Rationality Diagnostic A pre-approval program designed by Cummins to reduce the percentage of no- trouble-found parts replacement during warranty repairs. A small chamber into which the fuel injector feeds fuel. The prechamber is external to but connected with the main chamber. See also Engine Knock. Sound created by the detonation or abnormal combustion in an engine cylinder that is developed from the uncontrolled collision of multiple flame fronts. Feature that lubricates the engine prior to startup and prevents the engine from cranking until the oil pressure reaches a predetermined value. The pressure rationality diagnostic (PRD) is a diagnostic for testing the rail pressure. Secondary filtration filter. ECM mounted on the left bank of the engine. This ECM controls operation of all fueling and grid heaters for the left bank of the engine. This ECM is also responsible for all of the control functions not performed by the Secondary ECM.
Pro Password
The INSITE password that provides functionality to modify all of the features and parameters and to calibrate an ECM
Processor Programmable Features Programmable Logic Controller Propagation
The portion of the ECM that reads input signals and determines output signals/commands. Criteria in the ECM that can be enabled and disabled (turned ON or OFF) with the INSITE service tool. A logic device that integrates the functions of the HMI, PCS and engine control system A stage of fatigue fracture in which each application of stress at a sufficient level causes the crack to extend deeper into the part.
Propeller Prop
A machine for propelling a boat, consisting of a power-driven shaft with radiating blades that are placed so as to thrust water in a desired direction when spinning. Surface air is drawn into the propeller disk. Characteristics that affect their behavior under various conditions. Mechanical properties of metal include elasticity, strength, ductility, and hardness. A basic particle of an atom. Protons have a positive charge or polarity. Protons and neutrons bond together to form the nucleus of the atom.
Propeller Ventilation Properties Proton
Proximity PSI PT PT Fuel System
Term
Definition Nearness or closeness Pounds per Square Inch Pressure Time Fuel system that uses Pressure, Time, and Flow Area to control the amount of fuel metered into an injector for timing or injection.
PTFE PTO Pulse Width Modulated Pumping Control Valve PV350 Transducer PWM QSOL QUANTUM
Polytetrafluoroethylene See Power Take-Off A square wave electrical signal that is often used to control the on/off cycle of another device. Valve that controls the amount of fuel pressurized by the high pressure pumping chamber of the CAPS fuel pump. Service tool used to convert pressure into a voltage signal that can be read by a digital multimeter. Pulse width modulated or Pulse width modulation QuickServe Online Cummins fuel system with camshaft driven injectors. The QUANTUM fuel system is used on the QST and QSK family of engines.
Quantum System Quenching Query Summary Area
The Quantum System is Cummins industrial/off-highway full-authority electronic engine control system. Any number of processes for cooling heated metal. The query summary area displays all symptoms that EDS has understood from the text entered in the query entry text box.
QuickServe Online Rack Travel Sensor Radio Button Rake RAPIDSERVE
Cummins’ online service information system. Sensor in the Bosch RP39 fuel pump used to determine the position of the fuel metering rack. An on-screen selection similar to a checkbox but where only one option from those available can be selected. Angle of the blade to the hub when viewed from the side. An innovative process whereby Cummins authorized dealers handle repairs and reimbursement for warrantable work over the phone. Tube between the accumulator and distributor on a CAPS fuel pump. The shape and diameter of this tube control the early part of injection. Feature that allows information to be recorded with a 24 hour clock rather than ECM time A wholly owned division of Cummins Inc. that remanufactures Cummins engines and components. Pinout structure with more than one signal mapped to it that can be changed to suit the application. An electrical one way check-valve. The Red Stop Engine Lamp displays critical operator messages and diagnostic fault codes. Piston bowl design used to create a swirl pattern in the injected fuel to facilitate more complete combustion. The oxidation of soot trapped on the walls of the particulate filter. A device that uses electrical current to open and close a circuit upon demand. Feature that prevents the ECM from switching control of engine speed from the Accelerator to the Remote Throttle until the remote throttle is requesting less fueling. This feature also prevents switching control back to the Accelerator until it is requesting less fuel than the Remote Throttle.
Rate Shape Tube Real Time Clock ReCon Reconfigurable Pinout Rectifier Red Stop Engine Lamp Re-entrant Combustion Bowl Regeneration Relay Remote Accelerator Interlock
Term
Retarded Timing Revolutions Per Minute RFI Rheostat Rich Mixture
Definition a) Engine speed control outside the vehicle cab. b) Programmable feature that, when enabled, allows the accelerator input to be switched from the cab accelerator to an OEM mounted switch. Non-programmable feature that causes the ECM to prevent switching control of engine speed to the remote throttle when it is requesting more fuel than the cab accelerator. This feature also prevents switching control back to the cab accelerator when it is requesting more fuel than the remote accelerator. Selecting a radio button in the repair event solution area then selecting the submit button at the bottom of the area will record your selection in the diagnostic session. The repair history screen shows a list of previous diagnostic sessions for a given engine serial number. Select the repair history tab to see all prior diagnostic sessions for a given engine serial number. Rear Engine Power Take-Off A storage container for fluid. See also Makeup Tank The RESET button clears the search symptoms and restarts the search. ECM password used to reset the engine monitorable and vehicle information stored in the ECM. The stress that remains in a metal component after it has been manufactured or altered. There are two common types of residual stress: tensile and compressive stress. The opposition to current flow. Devices that limit current flow due to the type of material from which they are constructed. Injection that occurs later in the compression stroke when compared to base timing. With retarded timing the start of injection occurs less crank angle degrees before top dead center (BTDC). Slow timing, meaning the fuel injection or ignition occurs closer to TDC in the cylinder. The number of rotations amounting to 360 degrees an object rotates in one minute. Radio Frequency Interference A type of variable resistor. An air fuel mixture with an excess of fuel. When burned a rich mixture will have carbon monoxide (CO) in the exhaust.
Right Bank Right Hand Threads Right-Bank
The side of the engine on the right when viewing the engine from the rear. Typical fastener threads that require turning the fastener counter clockwise to loosen and clockwise to tighten. The right side of a high horsepower gas engine when it is viewed from the flywheel end. (Formerly referred to as the B-Bank)
Right-Click Ring Valve Ringfader Roll Rotating Bending Fatigue
A technique where the right mouse button is pressed and released. Pressure regulating ring installed on the injector at the drain port. A device used to join a gear to a shaft without the need for a press fit or woodruff key. To turn about the horizontal axis. When a shaft is subjected to rotating bending fatigue, cracking can be expected to initiate anywhere on the shaft. With the repetitive application of the rotating bending load, the crack progresses until the ultimate strength of the shaft is exceeded and fracture results. See Revolutions per Minute The INSITE password that provides functionality to modify all of the features and parameters except maximum road speed but does not allow the ECM to be calibrated.
Remote Throttle Remote Throttle Interlock
Repair Event Solution Results Repair History Repair History Tab REPTO Reservoir RESET Reset Password Residual Stress Resistance Resistor Retarded Injection Timing
RPM RSGR Password
Term RTV RTV Gasket Material Rubber Damper Saddle Jet SAE Safety Screen/Fuel Pump Drive
Definition Room Temperature Vulcanizing Compound - material used for form-in-place gaskets. Room Temperature Vulcanizing or Room Temperature Vulcanization. A vibration damper used to reduce vibration and noise. Style of piston cooling nozzle used on lower horsepower engines. The Society of Automotive Engineers Located between the pump and fuel pump drive, prevents damaged parts from entering the gear train in the event of pump failure.
Salvageable SCA Schematic Scissor Gear SCR Scraper Ring
Items that can be repaired and re-used according to Cummins service publications. See Supplemental Coolant Additive. A diagram that shows the functional relationship of components and the signal flow between them. A two part gear that uses springs and adjustable capscrews to apply tension. See Selective Catalyst Reduction The bottom compression ring with an angled face used to scrape lubricating engine oil from the liner walls to control oil consumption. The Window tool that can be used to move through a window when more information is contained than can be displayed at one time. The SEARCH button executes a search with your current search query. Every diagnostic session has a diagnostic session ID (e.g. DS592). If you know the diagnostic session ID, you can enter it in the search by DSID data entry box and select the search button. The details for the given diagnostic session will be displayed.
Scroll Bar SEARCH Search by DSID
Search by Solution Number
Every solution in EDS has a solution ID (e.g. K16798249). If you know the solution ID, you can enter it in the search by solution number data entry box and select the search button. The details for the given solution will be displayed.
Search Control Buttons
The search control buttons control the diagnostic search in EDS. They include the following: <
Search Result Page Navigation
Search Results Area Seawater Pump Secondary Position Sensor Sector Gear Sector Gear Positioning Tool Sector Gear Travel Gauges Security Key Selective Catalytic Reduction Selective Leaching Semi-conductor
Term Semi-Displacement Hull Serial Number Series Circuit Series/Parallel Circuit Serpentine Belt Service Information Rule Service Manual Service Tools Session Details
Shear Shear Loading Shelf Life for Diesel Fuel Shim Short Circuit Shot Peening Show Group Worklist Link Shroud Gauge Tool Sight Glass Signature Single Load Fracture Single Pole Switches Sintering SIR Skew Slag Small Installer Plate SN
Definition Hull type combines the characteristics of a displacement hull for stability and a planing hull for higher speed. Often has a vertical bow, Champagne Glass profile, flat and squared stern, includes chines and may include a keel. A number showing the position of an item in a series. A circuit in which the current flows in only one path from the source to the load and from the load back to the source to complete the circuit. A circuit in which part of the circuit is connected in series and part of the circuit is connected in parallel with the source. Compound curve drive belt that uses both sides of the belt to drive engine components. Regulations that allow end users or other service personnel to access the required information for service. These rules require specific naming standards for parts. A combination of older style shop manuals and base engine troubleshooting and repair manuals. Equipment that has been approved to make repairs on Cummins engines. The session details area displays information about the diagnostic session including the following: diagnostic session ID (DSID), current owner of the diagnostic session, current status of the diagnostic session either open or closed, creation time of the diagnostic session and time of the most recent update to the session. A force created when two components with sharp edges slide toward each other, entrapping a third component. The two sharp edges try to slide the surfaces of the third component along the shear plane. Results when a third component is trapped between two components sliding toward each other on a parallel plane. As the movement continues, the trapped component is sheared along the shear plane. Six to twelve months but in extreme conditions that time could be much shorter. A thin slip or wedge or metal used between machined parts to compensate for wear. A current flow through a path with very little resistance. This can be intentional such as with a closed switch or an unintentional path such as physical damage to connectors or wiring or defective electrical components. A common metal working practice that mechanically establishes a desirable surface residual compressive stress. Most connecting rods are shot peened. Selecting the show group worklist link will expand the work list display to include all diagnostic sessions in your workgroup, including those that you have not interacted with. Tool used to check the Nozzle Vanes for bending. Clear service tool used to check the fuel supply for air in the fuel system. Cummins 15 liter, dual overhead camshaft, 600 horsepower engine. The result of one load application that exceeds the ultimate strength of the part or component. Single pole, single throw switches are used as ON/OFF type switches in the electrical system. These switches either complete an electrical circuit or break the circuit. A method of producing components with powdered metal. See Service Information Rule Rotation of the propeller blade about the hub axis in relation to a line perpendicular to the hub. The refuse or scum that forms on the surface of molten metal. Plate used with the bushing replacer handle to install the new cross shaft bushing. See Serial Number
Term Snap Shot Data Software Solder Bloom Solenoid Solution Attributes Solution Compare Button Solution Content Feedback Solution Details Screen Solution Print Button Solution Title Link Solution Verification and Resolution Specific Fault Code Driven Trees Spill Ring Spin Box SPN Spool Valve Spur Gears SRT SSM 558 Stage 1 Fuel Filter Stage 2 Fuel Filter Stanadyne DB4 Standard Repair Time(s) Standby Power Generation Star Ground Starboard Starboard Beam Starter Lockout Relay Driver Override Test
Definition The value or state of the control system sensors and switches at the time a fault occurred. This information is recorded for each occurrence of a logged fault code to assist in troubleshooting engine problems. A series of instructions for the computer. Corrosion of the soldered joints in a radiator or oil cooler caused by antifreeze with depleted corrosion inhibitors. Solder bloom can cause the tube-to-header joints to become weakened and corrosion can restrict coolant flow. An electromechanical device that uses the magnetic field created by electrical current in a coil of wire to produce mechanical movement such as the opening of a valve. The solution attributes section lists the symptoms and components related to this solution. The date that this solution was last modified is listed at the bottom of this section. The solution compare button initiates a comparison of selected solutions in the search result listing area. Use the solution content feedback area to provide feedback to the Cummins support engineers who created the solution. The solution details screen is used to display a specific solution in EDS. The solution print button will generate a print page for the solution. The title of each solution that matches your query is displayed in the search results area. Selecting a solution title will show the details for that solution. The primary elements of a solution appear in the solution verification and resolution section; the title, core issue, verification and resolution. Specific Fault Code driven trees are used when an active or inactive fault is logged. Pressure regulating ring installed on the injector at the drain port. A numerical user entry box in which the desired response can be entered directly in the box or can be scrolled though using arrow icons. Standard Suspect Parameter Sliding valve that controls fuel pressure. Gears utilizing straight cut teeth. See Standard Repair Time See CM558 7-15 micron fuel filter containing the WIF sensor. Filters the fuel drawn directly from the tank. Filters the fuel prior to entering the high pressure pump. 3-5 micron pressure side fuel filter. The Stanadyne DB4 distributor-type fuel injection pump can be found on B series power generation applications. The established measurement of time allowed to perform repairs on Cummins engines and their components. Engines that supply emergency power for the duration of a utility power outage. This rating should be applied where reliable utility power is available and may not be run in parallel with the public utility. Multi-point grounding location where each device is connected to a separate grounding location. The right side of the vessel, when facing the bow or front of the vessel, is referred as the starboard side. Right side of a vessel. The Starter Lockout Relay Driver Override Test allows the user to manually override the starter lockout relay driver.
Term Static Balance Static Injection Timing Stationary (Parked) Regeneration Stationary Regeneration Status Bar Steel Stepped Installer Plate Stern
Definition The propeller is placed on a tight fitting mandrel and placed on a balance stand and rotated. Material is removed from the heavy side until the blades are in equal balance. The amount of injection travel on the injector camshaft lobe remaining when the piston is 5.161 mm (0.2032 in), or 17.5 degrees before top dead center (TDC) on the compression stroke. Regeneration initiated by user interaction. Regeneration initiated by user interaction. A textual display indicating the current status of the program. The production of steel closely resembles that of iron except the process is closely controlled to reduce the carbon remaining in the metal. Plate used with the bushing replacer handle to install the new cross shaft lip seal. The stern of a vessel is the rear or aft-most part of a ship or boat. The stern lies opposite of the bow; the foremost part of a ship.
Stiffener Plate Stoichiometric Mixture
Plate mounted to the skirt of the block to provide for increased block rigidity. The Stoichiometric mixture is the chemically perfect combination of air and fuel that will allow complete combustion. Under ideal conditions the burning of a stoichiometric mixture would yield only CO2 (carbon dioxide) and H2O (water).
STOR STORM Straight Thread O-Ring
See Straight Thread O-Ring See Straight Thread O-Ring Type of fitting used to seal many of the access ports in the block. This style fitting provides improved sealing capabilities when compared with tapered pipe-thread fittings. May be AN, SAE, JIC, or Metric thread. Multi-layered filter media which provides improved durability and filtration capability. A property of metal that resists stress. The three values of strength are yield strength, fatigue strength, and ultimate strength.
StrataPore Filter Media Strength Stress Stress Concentration
Force per unit area. Any internal or external irregularity in a part that creates an area for a concentration of stress. A stress concentration can be a surface notch, such as threads or a groove, or an abrupt change in the cross section that is part of the component`s design.
Stress-Strain Curve
A line chart that illustrates the deformation of metal. It consists of a temporary deformation range, a yield point, and a permanent deformation range. Lines of impurities in metal caused by elongation of inclusions during hot rolling or forging. The distance from the top of a piston`s travel to the bottom or the distance a piston travels during one half turn of the crankshaft.
Stringers Stroke Stub
The J1939 Datalink connection from service tools or other vehicle controllers that attaches to the J1939 backbone. The stubs are restricted to approximately 1 meter in length to minimize interference. The stub is constructed with shielding and twisted pair wires.
Stubs Subsurface Origin Suction Side Filter Supplemental Coolant Additive
See Stub Contact stress fatigue that occurs at the location of an internal stress concentration. Primary filtration filter. Additive package used in diesel engine cooling systems to prevent scale, corrosion, and pitting of cooling system components.
Term Surface Origin Surface Rolling Switch Switched Droop Switched Speed Inputs SWP Sympathy Symptom Driven Fault Trees Symptom Query Entry Text Box Synchronization TA Luft Tabs Tappets Targeted Piston Cooling Nozzles TBAP TCIT TDC Technical Service Bulletin Teflon Temperature Barometric and Atmospheric Pressure Sensor Tempering Temporary Repair Practices (TRPs)
Temporary Repairs Tensile Loading Tensile Strength Tensile Test Tension
Definition Contact stress fatigue that involves a combination of rolling and sliding action which causes small fatigue cracks to start at the surface and progress downward into the metal. A common method of imparting residual stress in fillets and cylindrical surfaces on crankshafts. A device that intentionally breaks the electrical path. A switches is used to open and a close circuit. Switched Droop provides the user the ability to select multiple breakpoint speeds and the droops associated with those speeds by way of an OEM-provided switch. Up to five adjustable parameters that determine the engine speed at which the ECM will attempt to hold the engine when operating under ISC mode of operation using a multi-position switch. Safe Work Procedure Sympathy involves taking on another`s emotions. Sympathy may create problems in reaching an equitable solution for both parties. Symptom driven fault trees are used when there is an engine complaint but there are no active fault codes pertaining to that complaint. The symptom query entry text box is used to enter symptoms to start a diagnostic search. The act of changing the genset speed and as a result the alternator`s output frequency so that one alternator`s waveform is aligned with others in operation. A European standard for engine emissions. It is equal to 1 gram per brake horsepower hour of NOx The areas in the INSITE screen that appear like the top edge of a file folder. These tabs are selected to navigate through the INSITE screens. Camshaft followers or Lifters. Targeted Piston Cooling Nozzles are used to deliver lubrication to the pistons. See Temperature Barometric and Atmospheric Pressure See Turbocharger Compressor Inlet Temperature Sensor Top dead center. The engine position where the number one cylinder piston is at the uppermost point in the travel. Documents that Cummins has developed to communicate updates to service information. A fluorocarbon polymer with slippery, nonsticking properties. See also polytetrafluoroethylene The Temperature Barometric and Atmospheric Pressure Sensor is located on the outlet of the air cleaner housing and measures air temperature and pressure. A heat treatment process for steel which relieves internal stresses and increases its ductility and toughness. Identify the specific engine or service parts after they have been sold by Cummins and describe the repairs to be performed to them during a specific period of time or a specified amount of operation; are not a proactive repair event and should be completed when identified by a failure described in the publication. Repairs performed to allow limited operation of the engine or equipment unit on which a permanent repair can be made. A load that stretches or pulls a part. The resistance of a material to longitudinal stress, measured by the minimum amount of longitudinal stress required to rupture the material. Produces an evaluation of a metal`s ability to withstand tensile loading. A stress or load that causes a material to elongate.
Term Tensioner Pulley Termination Plug Termination Resistor Test Ports TF Tree Thermal Insulation
Definition Spring loaded self adjusting pulley used to maintain a drive belt at the desired belt tension. 120 ohm resistor installed in each end of the J1939 backbone. One of the two 120 ohm resistors connected in parallel in the J1939 backbone circuit. Ports used to connect external gauges. Trees for troubleshooting fault codes based on the fault codes reported by the ECM. Material that will help keep the heat from escaping. Some of these would be foamed plastics, mineral or glass fibers.
Thermal Process
Imparting residual stress in a part through the use of heat. In addition to heat, restraint is necessary both during the heating and cooling process. A type of resistor containing semiconductors, which vary predictably and rapidly with changes in temperature. A device that uses the electrical potential created by dis-similar metals to measure temperature. An automatic temperature sensing device utilizing a mechanical valve to regulate the flow path of a fluid. In thin film lubricated areas, the load of a moving part operates on a thin film of lubricant. A Three Position Switch is used to make three different selections. Exhaust system component used to reduce harmful emissions from diesel engines. Three-way refers to the three regulated emissions it helps to reduce, carbon monoxide, VOCs (volatile organic compounds/chemicals) and NOx molecules.
Thermistor Thermocouple Thermostat Thin Film Lubrication Three Position Switch Three-Way Catalyst
Throttle Control Processor Module
The Cummins electronic throttle and shift uses a throttle control processor module to control the engine and transmission.
Throttle Control Processor Module Interface Harness Throttle Droop Throttle Position Sensor
A throttle control processor module interface harness connects between the throttle control processor module and the vessel’s engine or engines and transmission or transmissions. Feature that determines the drop in engine speed allowed before increasing fueling. Part of the accelerator pedal assembly that sends a pedal position signal to the ECM. This device is a potentiometer that produces a varying voltage as it is moved through the operating range. The number of switch positions. A bearing that controls the amount of endplay of a shaft. The thruster dataplate displays information about the thruster. The thruster interface data harness connects between the controller area network data harness tee and the thruster interface module. The thruster interface module communicates with the inboard joystick and is powered by a controller area network. The thruster tunnel houses the drive leg, zinc anode, and the propeller. Government emission regulations applicable to diesel engines used in off-road applications. Government emission regulations applicable to diesel engines used in off-road applications. The time it takes a vessel to reach planning from a dead stop. Tool used to hold the crankshaft into position. Device in the fuel pump used to vary the injection timing based on its relative position to the pumping plunger.
Throws Thrust Bearing Thruster Dataplate Thruster Interface Data Harness Thruster Interface Module Thruster Tunnel Tier 3 Tier 4 Time to Plane Timing Pin Timing Sleeve
Term Timing Speed Ring Timing Wedges
Tip Clearance Toggle Tone Wheel Toolbar Top Dead Center (TDC) Top Deck Torque Torque Converter Cooler Torque Plus Angle Torque Plus Turn Torsion Torsional Loading Tortional Vibration Total Base Number TPS Track Transducer Transit Bus Trapped Volume Spill Port Troubleshooting and Repair Manual TRP TS Tree TSB TT Tree
Definition A ring positioned on the camshaft via a D-flat feature used by the camshaft speed sensor to determine the position of the engine, and also acts as a backup for the main speed sensor. Angled service tools used to hold the injector camshaft and valve camshaft in the desired position for base engine timing. The appropriate wedges, per CPL, are tapped into position between flats on the appropriate camshaft and the cylinder head wall. The shortest distance between the tip of the propeller and the bottom of the vessel. To move a switch from its current position. Notched ring, Commonly installed on the crankshaft or camshaft. The notches or protrusions are used as targets for a speed or position sensor. A group of buttons displayed on a computer screen that are used to activate functions. The uppermost position of the piston in the cylinder. At top dead center the piston, connecting rod and crankshaft rod journal form a straight line. The machined surface on the top of the cylinder block that the cylinder head mounts to. A turning or twisting force A water to oil cooler used to reduce the temperature of the oil in the torque converter A tightening procedure that provides a more consistent clamping force than torque only. This is accomplished by torquing to a specification and then rotating an additional specified number of degrees. A tightening procedure that provides a more consistent clamping force than torque only. This is accomplished by torquing to a specification and then rotating an additional specified number of degrees. A load that tries to twist a part. Distributes stress on the component unevenly. A load that twists a part. Stress is distributed unevenly over the diameter of the part. Stress is greatest at the surface and zero at the center of the shaft. Twisting of an object as it rotates. A measure of an oil`s resistance to acid See Throttle Position Sensor The propeller is rotated about its axis, the blades should all follow the same line about the shaft Device for converting one form of energy into another form of energy. A microphone is one type of transducer. An engine that powers a bus for inter and intra-city public transportation of passengers. Fuel passage that relieves fuel pressure in the injector cup after injection. Fuel flow enters the TVS from the cup and returns to the fuel tank through the drain line. Manual that contains helpful information to help troubleshoot an engine problem. See Temporary Repair Practice Troubleshooting Symptoms trees for troubleshooting base engine symptoms such as excessive noise, engine will not start, and low oil pressure. See Technical Service Bulletin More involved symptom based troubleshooting trees for troubleshooting performance based complaints.
Term Tufftrided
Turbine Turbine Housing Turbocharger Turbocharger Compressor Intake Pressure and Temperature Sensor Turbocharger Compressor Intake Temperature Sensor Turbocharger Control Shutoff Valve Turbocharger Control Valve Turbocharger Dataplate Turbocharger Drain Line Turbocharger Oil Supply Line Turbocharger Speed Sensor Turbocharger Wastegate Actuator
Turbocharger Wastegate Control Valve Turbocharger Wastegate Valve Turbulence Generators TVS Port Two-stage Turbocharging UFS Ultimate Strength Unintended Fueling Sensor Unit Injector Unlimited Prime Power
Unrepaired Engine Tradeout
Definition Nitriding and nitro-carburizing are low temperature, low distortion heat treatments carried out to enhance the surface properties of finished or near finished ferrous components. These processes are used to increase the hardness of the outer surface of a metal. Nitro-carburizing is a generic term covering salt bath treatments such as tufftriding. The portion of the turbocharger that is driven by the exhaust gases. The outlet of the Turbocharger. Centrifugal air pump or blower driven by exhaust gas turbine. It fills the engine cylinders with fresh air at a higher pressure than atmospheric. The Turbocharger Compressor Intake Pressure and Temperature sensor is a combination pressure/temperature sensor used to measure pressure and temperature of the air entering the turbocharger. Sensor used by the ECM to monitor the compressor intake air temperature. ECM operated valve that shuts off the air to the variable geometry turbocharger control valve and actuator. This eliminates a leak path for air when the engine is shut off. The valve that controls the air flow to the variable geometry actuator. This valve receives a signal from the ECM. Identifying information for a turbocharger. The Turbocharger Drain Line drains oil back to the oil pan The Turbocharger Oil Supply Line carries oil to the turbocharger. This sensor measures the rotational speed of the turbocharger shaft and helps the ECM determine that the system is functioning and prevents overspeeding of the turbocharger. The turbocharger wastegate actuator, located on the turbocharger, consists of a pressure canister, diaphragm, and rod. As the pressure changes in the canister, as dictated by the turbocharger wastegate control valve, the actuator rod adjusts the turbocharger wastegate valve accordingly. The turbocharger wastegate control valve regulates the percentage of the intake manifold pressure sent to the turbocharger wastegate actuator. The turbocharger wastegate valve is mounted inside the turbocharger in the turbine housing. As the valve opens, exhaust gas is allowed to bypass the turbine wheel, lowering turbine speed to adjust the intake manifold pressure. Small variations in the wall of the tubes, on the exhaust side of the EGR cooler. They create turbulent flow that helps clean deposits from the walls, in effect making the cooler self-cleaning. See Trapped Volume Spill Port. An air system that connects two turbochargers in series to increase boost pressure. See Unintended Fueling Sensor The amount of force the metal with stands prior to fracture. Sensor installed in both the front and rear metering rails to provide a signal to the ECM used to detect excessive or inappropriate pressure. The ECM then shuts down fuel flow to the engine. A high pressure pumping element and injection nozzle built into a common housing located at the cylinder. An engine used for an unlimited number of hours per year in a variable load application. The total operating time at 100% prime power shall not exceed 500 hours per year with the variable load not exceeding a 70% average during a 250 hour period. This rating may not run in parallel with a public utility. A Cummins procedure that authorizes a cash settlement to the customer towards the replacement of a new or remanufactured engine.
Term Unswitched Battery Power UPDATE Upper Deck Urea Injection Nozzle Urea Solution Heater Urea Solution Level/Temperature Sensor Urea Tank URL User Activated Datalogger Vacuum Pump Valve Guides Valve Seats Valve Stem Seals Vane Variable Geometry Actuator Variable Geometry Actuator Cross Shaft Variable Geometry Actuator Cross Shaft Yoke Variable Geometry Air-Actuated Turbocharger Variable Geometry Electronically Actuated Turbocharger Variable Geometry Turbocharger Variable Geometry Turbocharger Actuator Variable Geometry Turbocharger Actuator/Position Sensor Reading Variable Resistor Variable Speed Governor Variable Speed Signal VECU Vehicle Electronic Control Unit Vehicle Speed Governor Vehicle Speed Sensor
Definition Circuit that provides power to a component that is not dependent on the keyswitch position. The UPDATE button updates the search query with any changes you have made, such as removing a symptom. A platform or floor above the main deck. The urea injection nozzle is fabricated from stainless steel with ceramic insulation and four angle drilled spray holes and is used to deliver the urea into the exhaust system. The Urea Solution Heater is an in tank feature that is used to keep the urea from freezing. The Urea Solution Level/Temperature Sensor monitors the level and temperature of the urea. The container used to store the Urea solution. Uniform Resource Locator -The official name of a website address. Feature that provides the ability to capture specific engine operating parameters under certain conditions. The vacuum pump supplies the OEM with a vacuum source for a hydraulic brake boosting system to reduce operator braking effort. The Valve Guides are pressed into the cylinder heads during manufacture. The valve`s movements are controlled by the replaceable valve guides. Create a seal between the valves and the intake and exhaust ports. The Valve Stem Seals are installed on the valve guides. The valve stem seals limit the volume of oil transferred to the valve stems. Aerodynamically shaped blades in the turbine housing of the Turbocharger The actuator that controls the position of the variable geometry turbocharger nozzle ring. The cross shaft converts the sliding motion of the actuator rod into a rotating motion to rotate the yoke. The yoke converts the rotating motion from the cross shaft into the sliding motion used to move the nozzle ring. A style of turbocharger that adjusts its exit volute area, thereby quickly increasing backpressure in the exhaust system. A style of turbocharger that adjusts its exit volute area, thereby quickly increasing backpressure in the exhaust system. A style of turbocharger that adjusts its exit volute area, thereby quickly increasing backpressure in the exhaust system. The electronic actuator that controls the position of the variable geometry turbocharger nozzle ring. This actuator receives a signal from the ECM. The Variable Geometry Turbocharger Actuator has an internal function of monitoring the position of the shroud inside the turbocharger. INSITE will display this position as a Variable Geometry Turbocharger Actuator/Position Sensor Reading. A resistor with the ability to have its resistance value changed. See All Speed Governor A condition input signal that has a voltage which goes low then high to provide a frequency that the ECM uses to govern engine speed to a desired speed. See Vehicle Electronic Control Unit An OEM installed electronic control unit. Similar to a Road Speed Governor Sensor that tells the ECM the vehicle speed.
Term Venturi (Gas) Venturi (Oil) Venturi Filter Venturi Mixer Venturi Nozzle Venturi Style Mixer VGT VGT Actuator Vibration View (Read-Only) Link
Viewbar Viscosity Viscosity Improvers Viscous Damper Voltage Voltmeter Volute VR Sensor VSS Wait to Start Lamp Warranty Alert(s) Warranty Failure Codes Warranty Start Date Warranty Term Limits
Wastegate Wastegate Control Valve
Definition Component used to divert approximately 10% of the fuel to flow past the gas mass flow sensor wires. Funnel shaped nozzle inside the oil filter which uses oil flow through the full flow filtering media to pull oil through the bypass media. Provides lubrication filtration for the bypass flow and utilizes the venturi flow concept to promote flow through the bypass filter. The Venturi Mixer creates a pressure drop in the venturi throat that assists in drawing more exhaust gas, to get the necessary EGR flow rate. Funnel shaped nozzle inside the oil filter which uses oil flow through the full flow filtering media to pull oil through the bypass media. A style of EGR mixer, that combines the EGR gas and fresh intake air by using a venturi to create a pressure drop. See Variable Geometry Turbocharger The electronic actuator that controls the position of the variable geometry turbocharger nozzle ring. This actuator receives a signal from the ECM. A rapid linear motion of a particle or of an elastic solid about an equilibrium position. Selecting a view (read-only) link for a diagnostic session will open the diagnostic session for viewing. You will be able to navigate in the diagnostic session and read any notes or attachments, but you will not be able to update or change a diagnostic session in view mode. A column where the most commonly used functions in INSITE are available through the use of icons. A fluid`s resistance to flow. Lubricant additives that are added to a low-viscosity oil to improve its high temperature lubricating characteristics. A vibration damper used to reduce vibration and noise. Electrical pressure. Used to measure the difference in voltage between two points in an electrical circuit. Rear portion of the coolant pump. Variable Reluctance Sensor. Speed sensing device utilizing a target passing through a magnetic field to generate a signal that is sent to the ECM. Variable Speed Signal. See also Vehicle Speed Sensor On applications equipped with the Wait to Start Lamp, the lamp indicates the operator has turned the key switch to an engine run position, but should wait to start the engine. Documents used to communicate changes in the Warranty Administration Manual such as: warranty coverage, practices and procedures. Failure Codes are six letter codes that identify the component that failed on the engine and the nature of the failure. The date on which recording begins for the hours, kilometers, mileage or time limits for product warranty. Product warranty expiration dates; they are determined by one of four occurrences: expiration date of the applicable warranty, miles, kilometers or operating hours (whichever of these occurs first determines the product warranty expiration date). A mechanical device that allows exhaust to bypass the turbocharger turbine, regulating boost. The Wastegate Control Valve controls the air pressure to the turbocharger actuator.
Term Wastegate Controller Wastegated Turbocharger Water Jacket Aftercooler Water-In-Fuel Water-In-Fuel Sensor Watt Wear Weld Spatter Wet Exhaust Manifold White Cast Iron Wide Open Throttle (WOT) Wide Range Capable WIF WIF Sensor Windows Wiring Diagram
Wiring Harness Wizard WWW Yaw Yield Point Yield Strength Zinc Anode
Definition The wastegate controller is used to stabilize boost pressure in the turbocharger system. A style of turbocharger that allows some of the exhaust gases to bypass the turbine wheel under higher engine speeds thereby limiting the among of turbocharger boost. Water to air aftercooler used on some Cummins engines A condition that exists when water is present in the fuel, when the fuel itself, is not water. Sensor mounted in the bottom of the fuel filter/water separator that indicates if too much water is contained in the bottom of the filter. The unit of measure for electrical power. The undesirable removal of material from the surface of a part. It is often associated with the presence of solid particles such as dirt or debris. Weld Spatter is little droplets of molten material that are generated at or near the welding arc. The Wet Exhaust Manifold is used to direct exhaust gases to the turbocharger. It is cooled by engine coolant that travels though passages in the opposite direction of the exhaust air. Hard, brittle, non-machinable cast iron produced by rapid cooling. Its properties make it unsuitable for the manufacture of most engine parts. Operating the vessel with the throttle completely open. Engine capable of operating on a lower quality fuel. Wide Range Capable engines can operate with a methane number as low as 65. See Water-In-Fuel See Water-In-Fuel Sensor The most commonly used operating system for personal computers. A diagram that shows the wire routing between components. Wiring diagrams include connector numbers, wire numbers and signal names. These diagrams associate the electrical with the physical to the replaceable component level. Distributes power to engine electrical components. The wiring harness also routes signals to and from equipment associated with the engine and its accessories. A group of screens and/or instructions to help guide the process of performing a specified task. World Wide Web To turn about the vertical axis. The point at which force exceeds the metal`s yield strength. The amount of force a metal can withstand without permanently changing shape. Zinc anodes, mounted in front of, or behind the propeller, are in place to protect against corrosion of any metal exposed below the vessel`s water line.
