TM 10-3510-208-12
Table 4-2 Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. GENERATOR FAILS TO BUILD UP RATED VOLTAGE
Replace voltmeter. (Refer to TM 6-6115-275-14).
Step 2. Check for improper or lose of polarity. (Refer to TM 5-6115-275-l4).
Flash field. (Refer to TM 5-6115-275-14).
Step 3. Check for a defective voltage regulator. (Refer to TM 5-6115-275-14).
Replace voltage regulator. (Refer to TM 5-6115-275-14).
2. GENERATOR OVERHEATS
Reduce the load. (Refer to TM 5-6115-275-14).
3. GENERATOR FAILS TO SUPPLY POWER TO LOAD
Step 1. Check for loose load connections. (Refer to TM 5-6115-275-14).
Tighten load connection. (Refer to TM 5-6115-275-14).
Reduce the load. (Refer to TM 5-6115-275-14).
4. GENERATOR VOLTAGE FLUCTUATES
Step 1. Check for faulty engine operation. (Refer to TM 5-2805-259-14).
Refer to TM 5-2805-259-14 for engine maintenance.
Reduce the load. (Refer to TM 5-6115-275-14).
Step 3. Check for loose load connection. (Refer to TM 5-6115-275-14).
Tighten load connection. (Refer to TM 5-6115-275-14).
Step 4. Test the voltage regulator. (Refer to TM 5-6115-275-14).
Replace voltage regulator. (Refer to TM 5-6115-275-14).
5. FREQUENCY FLUCTUATES
Step 1. Check for loose generator mounting bolts.
Tighten bolts.
Step 2. Check governor for out of adjustment. (Refer to TM 5-2805-259-14).
Refer to TM 5-2805-259-14 for engine maintenance.
6. ENGINE OIL PRESSURE NOT INDICATED ON GAGE
Step 1. Check for a cracked, or broken oil pressure indicator. Inspect for broken wiring. Test with a multimeter.
Replace indicator. (Refer to TM 5-2605-259-14).
Replace transmitter. (Refer to TM 5-2805-259-14).
7. WATER HEATER FUEL PUMP FAILS TO DELIVER FUEL
Step 1. Check for a clogged fuel pump strainer.
Service the water heater fuel pump strainer as follows:
b. Remove strainer and gasket. Discard gasket.
U.S. GOVERNMENT PRINTING OFFICE: 1979--665134/2010
4-10.7/(4-10.8
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Change 2
