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PLATE 4646252 - Caterpillar

4646252 PLATE Caterpillar parts PLATE
Alternative (cross code) number:
Caterpillar 4646252 PLATE
Weight: 0.99 pounds 0 kg.

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Number on catalog scheme: 7
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Test Step 1. Inspect the Electrical Connectors and the Wiring
Remove power from the ECM.
Illustration 2 g01182300
Left side engine view (typical component locations)
(1) Injection Actuation Pressure Control Valve (IAPCV)
(2) Injection actuation pressure sensor
(3) J2/P2 ECM connector
(4) Pressure fitting for high pressure oil supply
(5) Line for low pressure return oil
Thoroughly inspect the connectors for sensors (1) and (2). Also, thoroughly inspect connectors (3). Refer to Troubleshooting, "Electrical Connectors - Inspect".
Illustration 3 g01151730
P2 terminations for the IAPCV
(P2-61) IAP control valve
(P2-62) Return
Perform a 45 N (10 lb) pull test on each of the wires that are associated with the IAPCV.
Check the allen head screw on each ECM connector for the proper torque. Refer to Troubleshooting, "Electrical Connectors - Inspect" for the correct torque value.
Check the harness and wiring for abrasion and for pinch points from the IAPCV back to the ECM. Note: Ensure that the seal is installed on the harness connector for the injection actuation pressure control valve.Expected Result:All connectors, pins, and sockets are completely coupled and/or inserted. The harness and wiring are free of corrosion, of abrasion, and of pinch points.Results:
OK - The connectors and the wiring appear to be OK. Proceed to Test Step 2.
Not OK - There is a problem with the connectors and/or the wiring.Repair: Repair the connectors or wiring and/or replace the connectors or wiring. Ensure that all of the seals are properly in place and ensure that the connectors are completely coupled.

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