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 - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. ENGINE DOES NOT DEVELOP FULL POWER.
Step 1. Test for defective fuel injection nozzles, refer to TM 9-2815-256-24.
a. If fuel injection nozzles are not defective, do Step 2.
b. If defective, replace fuel injection nozzles. Refer to TM 9-2815-256-24.
Step 2. Test for defective governor, refer to paragraph 4-14.
a. If governor is not defective, do Step 3.
b. If defective, replace governor in accordance with paragraph 4-14.3.
Step 3. Test for defective governor control unit. Refer to paragraph 4-2.1.
a. If governor control unit is not defective, do Step 4.
b. If defective, replace governor control unit. Refer to paragraph 4-2.3.
Step 4. Test fuel injection pump timing, refer to TM 9-2815-256-24.
a. If fuel injection pump timing is correct, do Step 5.
b. If timing is not correct, time fuel injection pump in accordance with TM 9-2815-256-24.
Step 5. Check valve adjustment, refer to TM 9-2815-256-24.
a. If valves are properly adjusted, do Step 6.
b. If valves are improperly adjusted, adjust valves in accordance with TM 9-2815-256-24.
Step 6. Test for defective cylinder head gasket, refer to TM 9-2815-256-24.
a. If cylinder head gasket is not defective, do Step 7.
b. If defective, replace cylinder head gasket in accordance with TM 9-2815-256-24.
Step 7. Check for weak valve springs, refer to TM 9-2815-256-24.
a. If valve springs are not weak, do Step 8.
b. If weak, replace valve springs in accordance with TM 9-2815-256-24.
Step 8. Check for stuck or burnt valves, refer to TM 9-2815-256-24.
a. If valves are not stuck or burnt, do Step 9.
b. If stuck or burnt, replace valves in accordance with TM 9-2815-256-24.
Step 9. Test for low engine compression, refer to TM 9-2815-256-24.
If compression is low, repair or replace engine in accordance with TM 9-2815-256-24.
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