DDC Series 149 Maintenance

Series 149

CAUTION:

CAUTION:

The rotating turbocharger impeller wheel may pose a hazard when the air inlet piping is removed. To avoid possible personal injury when an engine must be operated with the air inlet piping removed, do not start or run the engine without first installing the turbocharger air inlet shield (J 26554-A).

When the temperature of diesel fuel is elevated, as occurs when the fuel is circulated through an operating engine, it may pose the following hazards which should be guarded against:  Heated liquid fuel may cause scalding if  allowed to come in contact with the skin. Heated diesel fuel can form combustible vapor mixtures in the area around the fuel source.  Whenever possible, it is recommended that the engine and fuel be given an opportunity to cool down to ambient temperature before performing service operations which could result in spillage of fuel from the engine or vehicle fuel system.  When this is not possible, protective clothing and safety gear (insulated gloves, apron, face shield) should be worn when performing these operations.  Engine or vehicle fuel system service operations should be performed in a well ventilated area that is kept free of bystanders.  Keep open flames, sparks, electrical resistance heating elements, or other potential ignition sources away and do not smoke during vehicle refueling or other service operations which could result in the escape of liquid or vaporized diesel fuel.

CAUTION: If cleaning of an engine component should become necessary prior to replacement, follow the solvent manufacturer’s usage, handling, and disposal instructions and observe all manufacturer cautions. Improper use of caustic chemicals may result in personal injury.

CAUTION: To prevent possible personal injury when using compressed air, wear adequate eye protection (face plate or safety glasses) and do not exceed 40 psi (276 kPa) air pressure. CAUTION: Do not apply compressed air to any part of the body or clothing. Compressed air directed at the face or body may cause eye or hearing injury or other serious physical injury.

FUEL BLOCK 

AIR COMPRESSOR

FUEL PUMP

TUBE AND SHELL OIL COOLER

FLYWHEEL STARTING MOTOR

OIL FILTERS

00020R

TYPICAL SERIES 149 INDUSTRIAL ENGINE (DDEC)

AIR INLET HOUSING INTERCOOLERS

AIR SHUTDOWN

CRANKCASE PRESSURE MONITOR

AIR SEPARATOR

WATER MANIFOLD FAN CLUTCH PULLEY 

BREATHER TURBOCHARGER

THERMOSTAT HOUSING

ELECTRIC STARTER ROCKER COVER HEAT EXCHANGER

EXHAUST MANIFOLD

ENGINE (JACKET) WATER PUMP

WATER-COOLED EXHAUST MANIFOLD

VIBRATION DAMPER

AIR BOX DRAIN TUBE

OIL FILLER TUBE

OIL PAN

OIL FILLER TUBE

CRANKSHAFT PULLEY  WATER BY-PASS TUBE SCCC WATER PUMP 00012R

00012R

00021R