TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
Step 3.
Camshaft timing incorrect.
a. Check gear train timing alignment. (Refer to page 4-24.)
b. Correct gear train timing alignment.
4. ENGINE STARTS BUT WILL NOT KEEP RUNNING
Step 1.
Fuel injection pump timing incorrect.
a. Check fuel injection pump timing.(Refer to page 5-4.)
If OK, do Step 2.
b. Time fuel injection pump.
Step 2.
Camshaft out of time.
a. Check/correct gear train timing. (Refer to page 4-24.)
5. ROUGH IDLE, WARM ENGINE
Step 1.
Fuel injection pump timing incorrect.
a. Check fuel injection pump timing. (Refer to page 5-4.)
If OK, do Step 2.
b. Correct fuel injection pump timing.
Step 2.
Injector nozzles plugged or inoperative.
a. Remove and test/inspect fuel injectors. (Refer to
b. Replace injectors.
Step 3.
Broken engine mounts.
a. Inspect engine mounts. If OK, do Step 4.
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