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BAR-BUS 1270525 - Caterpillar


1270525 BAR-BUS Caterpillar parts 3508, 3508B, 3512, 3512B, 3516, 3516B, G3516, PM3508, PM3512, PM3516
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Alternative (cross code) number:
CA1270525
127-0525
1270525
Caterpillar 1270525 BAR-BUS

Buy BAR-BUS 1270525 Caterpillar genuine, new aftermarket tractor parts with delivery
GEN SET ENGINE, POWER MODULE,

Compatible equipment models: 1270525:

GEN SET ENGINE  3508   3508B   3512   3512B   3516   3516B  
GENERATOR SET  3508   3508B   3512   3512B   3516   3516B   G3516  
POWER MODULE  PM3508   PM3512   PM3516   Caterpillar
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Information:


Illustration 1 g00935979
Schematic of the Brake Charging solenoid This diagnostic code is associated with the Brake Charging solenoid. An FMI 04 means the machine ECM has determined the voltage of the Brake Charging solenoid circuit is above normal. Possible causes for this diagnostic code are:
The energize circuit of the solenoid is shorted to ground.
The solenoid has failed.
The ECM may have failed, but 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 1231 FMI 04 is active before performing this procedure.Note: Use the 146-4080 Digital Multimeter for the measurements in this procedure.System Response:The diagnostic code of CID 1231 FMI 04 will be logged in the internal memory of the ECM.When this diagnostic code occurs, the solenoid return for the cooling fan and brake charging is disabled. Both systems go to 'fail safe' mode.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:CID 1231 FMI 04 changes to CID 1231 FMI 05 when the solenoid is disconnected.Results:
YES - CID 1231 FMI 04 changes to CID 1231 FMI 05 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 - CID 1231 FMI 04 remains active. Proceed to Test Step 2.Test Step 2. CHECK THE ENERGIZE CIRCUIT OF THE SOLENOID 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 J1 and J2 harness connectors from the ECM.
At the J1 harness connector, measure the resistance from the signal contact J1-68 (wire C881-BU) to all contacts that are used in both the machine harness connectors for the 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 J1-68 (wire C881-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 and 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 1231 FMI 04. Expected Result:The CID 1231 FMI 04 is active. Results:
YES - The CID 1231 FMI 04 is active. The diagnostic code has not been corrected. The ECM may have failed.Repair: Is unlikely that the ECM has failed. Exit this procedure and perform this procedure again.

Cat SIS web machinery list:

Caterpillar parts catalog
3516 Generator Set Engine 25Z00684-02188
3516 Generator Set Engine 4XF00001-UP
3516 Generator Set Engine 5SJ00001-UP
3508 Generator Set Engine 70Z00757-UP
3508 Generator Set Engine (High Speed) 23Z03489-UP
3516B Generator Set Engine 7RN00001-UP
3516B Generator Set Engine 6HN00001-UP
3512B Generator Set Engine 8RM00001-UP
3512B Generator Set Engine 6WN00001-UP
3508B Generator Set Engine 6PN00001-UP
3508B Generator Set Engine 4GM00001-UP
3512 Generator Set Engine 24Z04366-UP
3512 Generator Set Engine 67Z00772-UP
3516 Generator Set Engine 25Z02189-UP
3516 Generator Set Engine 73Z00808-UP
PM3516 Power Module BPD00001-UP
PM3508 Power Module BLM00001-UP
PM3512 Power Module BNR00001-UP
PM3508 Power Module BPY00001-UP
PM3512 Power Module BRF00001-UP
PM3516 Power Module CAC00001-UP
3508B Generator Set CNB00001-UP
3512B Generator Set CMC00001-UP
3516B Generator Set FDN00001-UP
3508 Generator Set CNF00001-UP
3512 Generator Set CMJ00001-UP
3516 Generator Set CMD00001-UP
3508B Generator Set BGX00001-UP
3512B Generator Set BLF00001-UP
3516B Generator Set BMB00001-UP
G3516 Generator Set CSZ00001-UP
3516B Generator Set PBR00001-UP
G3516 Generator Set ZBA00001-UP
3516B Generator Set GZS00001-UP
3516 Generator Set GZR00001-UP
3516B Generator Set GZY00001-UP


Parts bar Caterpillar catalog:

5F4764 BAR-PRY
120B, 120G, 120H, 120M, 12G, 12H, 12M, 130G, 135H, 140G, 140H, 140K, 140M, 143H, 14G, 14H, 14H NA, 160G, 160H, 160K, 160M, 163H, 16G, 16H, 16H NA, 16M, 235, 245, 307C, 311C, 3126, 3304, 3304B, 3306, 3...
3103453 BAR-GROUND
3516C, C32, EPIC, PM3516
2449665 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C175-16, C27, C32
2449663 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C27, C32
2449664 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C27, C32
3587640 BAR-BUS
3512, 3512B, 3512C, 3516, 3516B, 3516C, C175-16, C32
3587641 BAR-BUS
3512, 3512B, 3512C, 3516, 3516B, 3516C, C175-16, C32
2747193 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C175-16, C27, C32
2765981 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C27, C32
2765983 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C27, C32
2790829 BAR-BUS
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C175-16, C175-20, C32, G3516H
7W3221 BAR
3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, 5130, 5130B, 5230, 5230B, G3516C, G3516E, G3520C, G3520E, TH48-E80
1067703 BAR
3412, 3508, G3508, G3512, G3516, SR4
1067704 BAR
3508, G3508, G3512, G3516, SR4
1067702 BAR AS
3508, 3508B, 3512, C27, G3508, G3512, G3516, SR4, SR4B
1067701 BAR AS
3412, 3508, 3508B, 3512, 3512B, 3516, 3516B, C27, G3508, G3512, G3516, G3516B, G3516C, PM3516, PMG3516, SR4, SR4B
1338097 BAR-BUS
3508, 3508B, 3512, 3512B, 3516, 3516B, PM3508, PM3512, PM3516
1341516 BAR-BUS
3508, 3508B, 3512, 3512B, 3516, 3516B, PM3508, PM3512, PM3516
1338102 BAR-BUS
3508, 3508B, 3512, 3512B, 3516, 3516B, PM3508, PM3512, PM3516
1338101 BAR-BUS
3508, 3508B, 3512, 3512B, 3516, 3516B, PM3508, PM3512, PM3516
1440451 BAR-BUS
3508, 3508B, 3512, 3512B, 3516, 3516B, G3516, PM3508, PM3512, PM3516
1270528 BAR-BUS
3508, 3508B, 3512, 3512B, 3516, 3516B, G3516, PM3508, PM3512, PM3516
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