320D Excavator BZP Engine Does Not Crank

320D Excavator Excavator BZP00001-U BZP00001-UP P (MACHINE) POWERED POWERED BY C6.4 Eng...

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Welcome: j210es j 210es Product: EXCAVATOR Model: 320D EXCAVATOR EXCAVATOR BZP02284 Configurati Configuration: on: 320D Excavator BZP0000 1-UP (MACHINE) (MACHINE) POWERED BY C6.4 Engine

Troubleshooting C4.2 and C6.4 Engines E ngines for Caterpillar Built Machines Media Number -KENR53 42 -21

Publication Date -01 /1 1/20 1 2

Date Updated -07/1 1/2 012

i02627570

Engine Does Not Crank SMCS - 1000-035; 1450-035

Probable Causes Engine shutdown switches (if applicable) Circuit breakers Diagnostic codes Battery cables and/or batteries Starting circuit Electrical power supply Internal engine problem

Recommended Repairs Engine Shutdown Switches (If Applicable) A pplicable) Verify that there are no active shutdown switches.

Circuit Breakers Check the state of each of the circuit breakers. Reset the circuit breakers if the circuit breakers are tripped. Prior to returning the engine to service, determine the condition that caused the circuit breaker to trip. Make the necessary repairs.

320D Excavator BZP00001-UP (MACHINE) POWERED BY C6.4 Eng...

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Diagnostic Codes 1. Turn the keyswitch to the ON position. 2. Check for active and for logged diagnostic codes on Caterpillar Electronic Technician (ET). Troubleshoot any active codes before continuing with this procedure. If necessary, refer to the troubleshooting manual for your machine application.

Battery Cables and/or Batteries 1. Inspect the main power switch, battery posts, and battery cables for loose connections and corrosion. If  the battery cables are corroded, remove the battery cables and clean the battery cables. Clean the battery posts and then replace the cables. Tighten any loose connections. 2. Inspect the batteries. a. Charge the batteries. b. Load test the batteries. Refer to Testing and Adjusting.

Starting Circuit 1. Inspect the starting motor and the flywheel ring gear for damage. Test the operation of the starting motor and associated circuit components. Refer to Testing and Adjusting.

Electrical Power Supply Check the electrical power supply. If necessary, refer to the circuit test Troubleshooting, "Electrical Power Supply - Test".

Internal Engine Problem 1. Remove the fuel injectors. Refer to Disassembly and Assembly. 2. Attempt to rotate the crankshaft through 360 degrees in both direction. If the crankshaft rotates correctly but fluid is expelled from the hole for the fuel injectors, investigate the cause of the fluid in the cylinder. Refer to Testing and Adjusting. 3. If the crankshaft rotates correctly and no fluid is expelled, install the fuel injectors. Refer to Disassembly and Assembly. 4. If the engine will not rotate, disassemble the engine. Refer to Disassembly and Assembly. 5. Inspect the internal components for the following conditions: Seizure Broken components Bent components

320D Excavator BZP00001-UP (MACHINE) POWERED BY C6.4 Eng...

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Tue Sep 05 20 17 17 :51:1 2 GMT+070 0 (SE Asia Standard Time)  j210es