ARMY TM 9-6115-644-10
AIR FORCE TO 35C2-3-446-11
MARINE CORPS TM 09249A/09246A-10/1
Troubleshooting - Continued
TEST OR INSPECTION
19. SYNCHRONIZING LIGHTS fail to light.
Check that parallel cable is connected.
Connect paralleling cable, refer to paragraph 2-10.2.
Check PARALLEL UNIT switch.
Place PARALLEL UNIT switch in correct position.
20. SYNCHRONIZING LIGHTS on generator set No. 2 do not glow bright and dark
in unison during parallel operation.
Check that load cables are connected properly.
For proper connection of load cables, refer to paragraph 2-
If properly connected, go to Step 2.
Ensure FREQUENCY SELECT switches are in correct positions.
21. AC CIRCUIT INTERRUPTER light fails to come on generator set No. 2 in
Test light by depressing.
If light fails to light, notify next higher maintenance
If light comes on, go to Step 2.
FREQUENCY adjust potentiometer is not properly adjusted.
Set FREQUENCY adjust potentiometer.
22. No voltage at the Convenience Receptacle.
Open control panel and inspect circuit breaker on side of
Ground Fault Circuit Interrupter device.
If tripped, reset device.
Check fuse on black wire of
Ground Fault Circuit Interrupter for generator sets,
contract number DAAK01-88-D-D082.
Check reset button for red band.
If red band is visible, push reset button.
Fault Circuit Interrupter can not be reset, refer to
next higher maintenance level.
*U.S. GOVERNMENT PRINTING OFFICE: 1997 - 554-024/60018