TM 5-3805-262-34
2-4. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE STARTS BUT WILL NOT RUN (Cont).
Step 10. (Cont).
a. If backlash exceeds 0.012 inch, replace fuel injection pump
drive gear (page 3-136).
Recheck backlash. If backlash still exceeds 0.012 inch, replace
idler gear (page 4-54).
Perform fuel injection pump governor adjustments (page 3-14).
b. If backlash does not exceed 0.012 inch, go to Malfunction 1,
page 2-47.
Step 11. Check valve timing (page 3-8).
a. If valve timing is not okay as indicated by dial indicator hand
not indicating 0.053 inch, go to Malfunction 11, page 2-41.
b. If valve timing is okay as indicated by dial indicator hand in-
dicating 0.053 inch, go to step 12 below.
Step 12. Remove cylinder head assemblies (page 3-45).
Remove valve locks, valve retainers, and springs (page 3-74).
Check for bent valves or worn or broken valve spring (page 3-76).
a. If a valve is bent or a valve spring broken, replace (page
3-74) .
b. If valves and valve springs are okay, check for incorrectly in-
stalled valve guide (page 4-12).
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