ARMY TM 9-6115-645-24
AIR FORCE TO 35C2-3-444-12
MARINE CORPS TM 09244A/09245A-24/2
TABLE 3-1. DIRECT SUPPORT TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. ENGINE FAILS TO START.
Step 1. Test fuel injection pump timing, refer to TM 9-2815-256-24.
a. If injection pump timing is correct, do Step 2.
b. If not correctly timed, time fuel injection pump in accordance with TM 9-2815-256-24.
Step 2. Test for defective governor actuator, paragraph 4-14.
a. If governor actuator is not defective, do Step 3.
b. If defective, replace governor actuator, paragraph 4-14.2.
Step 3. Test for defective fuel injection pump, refer to TM 9-2815-256-24.
a. If fuel injection pump is not defective, do Step 4.
b. If defective, repair or replace fuel injection pump in accordance with TM 9-2815-256-24.
Step 4. Test for defective governor control unit, paragraph 4-2.1.
If defective, replace governor control unit, paragraph 4-2.3.
2.
ENGINE RUNS ERRATICALLY OR STALLS FREQUENTLY.
Step 1. Test fuel injection pump timing, refer to TM 9-2815-256-24.
a. If fuel injection pump timing is correct, do Step 2.
b. If not correctly timed, time fuel injection pump in accordance with TM 9-2815-256-24.
Step 2. Test for defective fuel injection pump, refer to TM 9-2815-256-24.
a. If fuel injection pump is not defective, do Step 3.
b. If defective, repair or replace fuel injector pump in accordance with TM 9-2815-256-24.
Step 3. Check valve adjustment, refer to TM 9-2815-256-24.
a. If valves are properly adjusted, do Step 4.
b. If valves are improperly adjusted, adjust valves in accordance with TM 9-2815-256-24.
Step 4. Check cylinder head gasket for leaks, refer to TM 9-2815-256-24.
a. If cylinder head gasket is not leaking, do Step 5.
b. If leaking, repair or replace cylinder head gasket in accordance with TM 9-2815-256-24.
Step 5. Check for stuck or burnt valves, refer to TM 9-2815-256-24.
a. If valves are not stuck or burnt, do Step 6.
b. If stuck or burnt, replace valves in accordance with TM 9-2815-256-24.
3-3
