ARMY TM 9-6115-642-24
AIR FORCE TO 35C2-455-12
MARINE CORPS TM 09247A/09248A-24/2
TABLE 2-6. UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE STOPS SUDDENLY.
Step 1. Check for tripped protective devices.
a. If no malfunction indicator lights are lit, do Step 2.
b. If lit, correct fault indicated.
Step 2. Check for air lock in fuel supply line.
a. If no air lock in fuel suppLy line, do Step 3.
b. If air in line, bleed fuel supply lines in accordance with TM 9-2815-253-24.
Step 3. Check for blocked fuel line(s) and/or components.
a. If fuel lines are not blocked, do Step 4.
b. If blocked, unblock or replace fuel line(s), and/or components. paragraph 2-80 and 2-84.
Step 4. Test for defective MASTER SWITCH, paragraph 2-47.2.
a. If MASTER SWITCH is not defective, do Step 5.
b. If defective, replace MASTER SWITCH, paragraph 2-47.
Step 5. Test for defective fuel solenoid, paragraph 2-95.1.
a. If fuel solenoid is not defective, do Step 6.
b. If defective, replace fuel solenoid, paragraph 2-95.
Step 6. Check for defective fuel transfer pump, paragraph 2-85.2.
a. If fuel transfer pump not defective, do Step 7.
b. If defective, replace transfer pump, paragraph 2-85.
Step 7. Test for defective engine fault relay (K12), paragraph 2-33.2.
a. If fuel lines are not obstructed, do Step 2.
b. If obstructed, unblock or replace fuel line(s), paragraph 2-80.
Step 2. Check for blocked exhaust pipe or muffler.
a. If exhaust pipe and muffler are not blocked, do Step 3.
b. If blocked, unblock or replace muffler, paragraph 2-65.
2-16 Change 1
a . I f d e f e c t i v e , r e p l a c e e n g i n e f a u l t r e l a y ( K 1 2 ) , p a r a g r a p h 2 - 3 3 .
b. If engine fault relay is not defective and trouble persists, notify next higher level of maintenance.
4. ENGINE RUNS ERRATICALLY OR STALLS FREQUENTLY.
Step 1. Check for obstruction in fuel line(s).
