3846663 ENGINE AR-PRIMARY Caterpillar parts
C4.4
Rating:
Alternative (cross code) number:
CA3846663
384-6663
3846663
CA3846663
384-6663
3846663
INDUSTRIAL ENGINE,
Compatible equipment models: 3846663:
Information:
The possible causes of this failure are listed below:
The solenoid return spring is weak.
The solenoid return spring is broken.
The shift lever assembly is binding.
The shift lever assembly is broken.
The solenoid of the starting motor is faulty.Test Step 1. INSPECT THE SOLENOID RETURN SPRING
Remove the starting motor.
Disassemble the starting motor. See Disassembly and Assembly.
Visually inspect the solenoid return spring. Expected Result:The return spring is not weak. The return spring is not broken.Results:
OK - The return spring is not weak and the return spring is not broken. Proceed to test step 2.
NOT OK - The return spring is weak or the return spring is broken.Repair: Replace the solenoid return spring.STOPTest Step 2. INSPECT SHIFT LEVER ASSEMBLY
Visually inspect the shift lever assembly. Expected Result:The shift lever assembly is not binding. The shift lever assembly is not broken.Results:
OK - The shift lever assembly is not binding and the return spring is not broken.Repair: The starting motor solenoid is incorrect. Replace the solenoid.STOP
NOT OK - The shift lever assembly is binding or the shift lever assembly is broken.Repair: If the shift lever assembly is binding, thoroughly clean the shift lever and thoroughly clean the armature shaft. If the shift lever assembly is broken, replace the shift lever assembly.STOP
The solenoid return spring is weak.
The solenoid return spring is broken.
The shift lever assembly is binding.
The shift lever assembly is broken.
The solenoid of the starting motor is faulty.Test Step 1. INSPECT THE SOLENOID RETURN SPRING
Remove the starting motor.
Disassemble the starting motor. See Disassembly and Assembly.
Visually inspect the solenoid return spring. Expected Result:The return spring is not weak. The return spring is not broken.Results:
OK - The return spring is not weak and the return spring is not broken. Proceed to test step 2.
NOT OK - The return spring is weak or the return spring is broken.Repair: Replace the solenoid return spring.STOPTest Step 2. INSPECT SHIFT LEVER ASSEMBLY
Visually inspect the shift lever assembly. Expected Result:The shift lever assembly is not binding. The shift lever assembly is not broken.Results:
OK - The shift lever assembly is not binding and the return spring is not broken.Repair: The starting motor solenoid is incorrect. Replace the solenoid.STOP
NOT OK - The shift lever assembly is binding or the shift lever assembly is broken.Repair: If the shift lever assembly is binding, thoroughly clean the shift lever and thoroughly clean the armature shaft. If the shift lever assembly is broken, replace the shift lever assembly.STOP
Caterpillar SIS machinery equipment:
Caterpillar SIS
C4.4 Industrial Engine 44400001-UP »
384-6663
ENGINE AR-PRIMARY
TH336C Telehandler MJR00271-UP (MACHINE) »
384-6663
ENGINE AR-PRIMARY
TH406C Telehandler GAT00258-UP (MACHINE) »
384-6663
ENGINE AR-PRIMARY
TH337C Telehandler DJB00484-UP (MACHINE) »
384-6663
ENGINE AR-PRIMARY
TH407C Telehandler JJT00172-UP (MACHINE) »
384-6663
ENGINE AR-PRIMARY