Fan System Troubleshooting
Problem
The engine is overheating.
Probable Cause
- There is not enough coolant in the radiator.
- The cooling fan RPM is too slow.
- The fan drive gear motor has failed.
- The fan drive gear pump has failed.
Problem
The hydraulic oil is overheating.
Probable Cause
- There is not enough oil in the hydraulic tank.
- The cooling fan RPM is too slow.
- The fan drive gear motor has failed.
- The fan drive gear pump has failed.
Caterpillar Information System:
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