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BODY-CONNECTOR 4415814 - Caterpillar



4415814 BODY-CONNECTOR Caterpillar parts BODY
Rating:
36
Alternative (cross code) number:
CA4415814
441-5814
4415814
Caterpillar 4415814 BODY-CONNECTOR
Weight: 0.02 pounds 0 kg.

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Electrical shock hazard. The electronic unit injector system uses 90-120 volts.
Remove the valve cover and look for broken parts. Repair any broken parts or replace any broken parts that are found. Inspect all wiring for the solenoids. Look for loose connections. Also look for frayed wires or broken wires. Ensure that the connector for the unit injector solenoid is properly connected. Perform a pull test on each of the wires. Inspect the posts of the solenoid for arcing. Refer to Disassembly and Assembly Manual, "Electronic Unit Injector - Install".
Look for signs of fuel leakage. Investigate the source of the leaking fuel. Remedy the cause of the fuel leak.
Check the valve lash setting for the cylinder of the suspect unit injector. Refer to Testing and Adjusting, "Engine Valve Lash - Inspect/Adjust".
Ensure that the bolts that hold the unit injector are tightened to the proper torque. In order to check the torque, loosen the bolts that hold the unit injector. Refer to Specifications, "Electronic Unit Injector" for the tightening procedure.
Remove the suspect unit injector and check the unit injector for signs of exposure to coolant. Exposure to coolant will cause rust to form on the injector. If the unit injector shows signs of exposure to coolant, remove the injector sleeve and inspect the injector sleeve. Replace the injector sleeve if the injector sleeve is damaged. Check the unit injector for an excessive brown discoloration that extends beyond the injector tip. If excessive discoloration is found, check the quality of the fuel. Refer to Testing and Adjusting, "Fuel Quality - Test". Replace the seals on the injector and reinstall the injector. Refer to Disassembly and Assembly Manual, "Electronic Unit Injector - Install". Also refer to Disassembly and Assembly Manual, "Electronic Unit Injector Sleeve - Install". Inspect the injector for deposits of soot that are above the surface of the seat of the injector. Deposits of soot indicate combustion gas leakage. The source of the leak should be found, and the source of the leak should be remedied. The injector will not need to be replaced if combustion gas leakage was the problem.
If the problem is not resolved, replace the suspect injector with a new injector. In order to verify that the new injector is working properly, perform the Cylinder Cutout Test. Use the Caterpillar Electronic Technician (ET).


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