TM 5-3805-262-342-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION3. ENGINE STARTS BUT WILL NOT RUN (Cont).Step 10. (Cont).a. If backlash exceeds 0.012 inch, replace fuel injection pumpdrive gear (page 3-136).Recheck backlash. If backlash still exceeds 0.012 inch, replaceidler 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 handnot 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 (page3-74) .b. If valves and valve springs are okay, check for incorrectly in-stalled valve guide (page 4-12).2-16
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