TM-3-1040-279-12-P
GENERATOR SET, SMOKE, MECHANICAL: PULSE JET, M157 W/120 GAL FOG OIL TANK AND W/80 GAL FOG OIL TANK
TECHNICAL MANUAL; OPERATOR’S AND ORGANIZATIONAL MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST AND DEPOT MAINTENANCE REPAIR PARTS
MAY 1987
TM-3-1040-279-12-P - Page 55 of 389
TM 3-1040-279-12&P
TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
6.
7.
Step 2.
Check for a short circuit in fog oil pump cable.
Disconnect cable assembly from connector 1J5 at control panel.
Set circuit breaker CB1 and POWER switch to ON.
Set FUEL and ENGINE switches to RUN. Hold FOG OIL switch to START.
If circuit breaker CB1 stays in the ON position, fog oil pump cable assembly has
a short circuit. Set all switches to OFF. Notify organizational maintenance.
If circuit breaker CB1 trips to OFF position, reconnect cable and notify
organizational maintenance.
ENGINE RUNS ERRATICALLY DURING OPERATION.
Perform step 4 of malfunction 3.
FLASHING FROM SMOKE GENERATOR COMBUSTION CHAMBER.
Perform step 4 of malfunction 3.
ENGINE OVERHEATS.
Step 1.
Check fog oil supply in fog oil tank.
If fog oil supply is low, shutdown generator and fill fog oil tank with fog oil.
If fog oil supply is not low, shutdown generator and go to next step.
Step 2.
Check fog oil strainer assembly for clogged strainer.
If fog oil strainer is clogged, clean strainer and reinstall.
Start generator and check for overheating.
If generator still overheats, shutdown generator and notify organizational maintenance.
3-7
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