ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
Table 3-1. DIRECT SUPPORT TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ENGINE CRANKS BUT FAILS TO START.
Step 1. Test for defective fuel injection nozzle(s), refer to TM 9-2815-252-24.
a. If fuel injection nozzle(s) is not defective, do Step 2.
b. If defective, repair or replace fuel injection nozzle(s), refer to TM 9-2815-252-24.
Step 2. Check for incorrect timing on fuel injection pump(s), refer to TM 9-2815-252-24.
a. If fuel injection pump(s) timing is correct, do Step 3.
b. If not timed correctly, time fuel injection pump(s), refer to TM 9-2815-252-24.
Step 3. Test for defective fuel injection pump(s), refer to TM 9-2815-252-24.
If defective, repair or replace fuel injection pump(s), refer to TM 9-2815-252-24.
2.
ENGINE RUNS ERRATICALLY OR STALLS FREQUENTLY.
Step 1. Test for defective fuel injection nozzle(s), refer to TM 9-2815-252-24.
a. If fuel injection nozzle(s) is not defective, do Step 2.
b. If defective, repair or replace defective fuel injection nozzle(s), refer to TM 9-2815-252-24.
Step 2. Check for incorrect timing on fuel injection pump(s), refer to TM 9-2815-252-24.
a. If fuel injection pump(s) timing is correct, do Step 3.
b. If not timed correctly, time fuel injection pump(s), refer to TM 9-2815-252-24.
Step 3. Test for defective fuel injection pump(s), refer to TM 9–2815-252-24.
a. If fuel injection pump(s) is not defective, do Step 4.
b. If defective, repair or replace fuel injection pump(s), refer to TM 9-2815-252-24.
Step 4. Check for defective cylinder head gasket, refer to TM 9-2815-252-24.
a. If cylinder head gasket is not defective, do Step 5.
b. If defective, replace cylinder head gasket, refer to TM 9-2815-252-24.
Step 5. Check for valves stuck or burnt, refer to TM 9-2815-252-24.
a. If valves not stuck or burnt, do Step 6.
b. If defective, replace valves, refer to TM 9-2815-252-24.
Step 6. Check for low engine vacuum, refer to TM 9-2815-252-24.
If engine vacuum is too low, repair or replace engine, refer to TM 9-2815-252-24.
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