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PIPE 0878502 - Caterpillar

0878502 PIPE Caterpillar parts E70B PIPE
Alternative (cross code) number:
Caterpillar 0878502 PIPE
Weight: 3 pounds 1 kg.

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Compatible equipment models: 0878502:

EXCAVATOR  E70B   Caterpillar
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Illustration 1 g02035276
Schematic of the "Attachment Stem 1 Retract Pressure" SolenoidThis diagnostic code is associated with the "Attachment Retract 1 Retract Pressure" Solenoid. The FMI 06 diagnostic code means that the Machine ECM has determined that the current of the solenoid is above normal.The possible causes of this diagnostic code are listed below:
The energizer circuit of the solenoid for the modulating valve is shorted to ground.
The solenoid has failed.
The Machine ECM has failed. This situation is unlikely. Note: The following test procedure may create other diagnostic codes. Ignore these created diagnostic codes and clear these diagnostic codes when the original diagnostic code has been corrected. Ensure that the diagnostic code of CID 1596 FMI 06 is active before performing this procedure.Note: Use the 146-4080 Digital Multimeter for the measurements in this procedure.System Response:When this diagnostic code is active, the Machine ECM will turn off the current to the failed solenoid.Test Step 1. CHECK THE SOLENOID
Turn the disconnect switch and the key start switch to the ON position. Do not start the engine.
Observe the status of the diagnostic code.
Disconnect the solenoid with the active diagnostic code from the machine harness. Expected Result:The CID 1596 FMI 06 diagnostic code changes to a CID 1596 FMI 05 diagnostic code when the solenoid is disconnected.Results:
YES - The CID 1596 FMI 06 diagnostic code changes to a CID 1596 FMI 05 diagnostic code when the solenoid is disconnected. The circuit is correct.Repair: The solenoid has failed. Repeat this test "CHECK THE SOLENOID" in order to verify the solenoid failure. Replace the solenoid.STOP
NO - The CID 1596 FMI 06 diagnostic code remains active. Proceed to Test Step 2.Test Step 2. CHECK THE SOLENOID ENERGIZER CIRCUIT FOR A SHORT TO GROUND
Turn the key start switch and the disconnect switch to the OFF position.
The solenoid remains disconnected from the machine harness.
Disconnect the machine harness connectors from the Machine ECM.
At the machine harness connector, measure the resistance from the signal contact J2-13 (wire K860-BU) to all contacts that are used in the machine harness connectors for the Machine ECM.Expected Result:Each resistance measurement is greater than 5000 ohms.Results:
OK - Each resistance measurement is greater than 5000 ohms. The machine harness is correct. Proceed to Test Step 3.
NOT OK - Each resistance measurement is not greater than 5000 ohms. There is a short in the machine harness. The short is between J2-13 (wire K860-BU) and the circuit with the low resistance measurement.Repair: Repair the machine harness or replace the machine harness. STOPTest Step 3. CHECK IF THE DIAGNOSTIC CODE REMAINS
Inspect the harness connectors. Clean the contacts of the harness connectors.
Reconnect all harness connectors.
Turn the disconnect switch and the key start switch to the ON position.
Operate the machine.
Check the status of the CID 1596 FMI 06 diagnostic code.Expected Result:The CID 1596 FMI 06 diagnostic code is active.Results:
YES - The CID 1596 FMI 06 diagnostic code is active. The diagnostic code has not been corrected. The Machine ECM may have failed.Repair: A failure of the Machine ECM is unlikely. Exit this

Caterpillar parts catalog:

Caterpillar parts catalog

Parts pipe Caterpillar catalog:

0968607 PIPE
307, E110, E70, E70B
0969198 PIPE
307, E70, E70B
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