TM 5-6115-275-14
NAVFAC P-8-615-14
TO 35C2-3-452-1
Table 3-4. Operational Troubleshooting (Cont’d)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
FREQUENCY FLUCTUATES
Inspect the generator for loose mounting bolts.
Tighten the generator mounting bolts, figure 3-1.
6.
GENERATOR VOLTAGE DROPS WHEN LOAD IS APPLIED OR INCREASED
Refer to figure 3-2 and check gage readings to see if generator is overloaded.
Reduce the load by removing some of the equipment being used (switch circuit breaker to
off and I shut engine off before loosening the nut on the studs, figure 3-3, to disconnect the
lines).
7.
VOLTMETER INDICATION TOO HIGH OR TOO LOW
Check to see if the supplied load is properly balanced across phases. Refer to figure 3-2.
Distribute the load, refer to figure 3-3.
8.
VOLTMETER FAILS TO REGISTER
Check to see if any loose wire connections exist. Refer to figure 3-6 and 3-7.
Tighten connections.
9.
FREQUENCY METER FAILS TO REGISTER
Check to see if any loose wire connections exist. Refer to figure 3-6 and 3-7.
Tighten connections.
Change 9 3-11
