Generator Set Load Sensor Caterpillar

Expected Result: The problem has been corrected.

Results:

• OK: Repair the wiring or the switch. STOP.

• NOT OK: Go to 2.

1. Operate the engine.

2. Observe speed while you are applying the load.

   Expected Result: Droop occurs near the full load point only.

   Results:

   • OK: It is possible that the engine is not producing the horsepower. It is also possible that the engine is being overloaded. Verify that the engine is within the load limits. Refer to the engine Service Manual, Service Procedures, "Engine Performance Check".

   • NOT OK: Go to 3.

1. Disconnect the load sensing module.

2. Load the engine as a single isolated unit.

   Expected Result: The problem has been resolved.

   Results:

   • OK: Check the load sensor for defects. STOP.

   • NOT OK: The speed continues to decrease with load. Check the engine governor. STOP.