TM 5-3805-262-342-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION2. ENGINE HARD TO START OR WILL NOT START (EXHAUST SMOKE) (Cont).Step 11. (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 governor adjustments (page 3-14).b. If backlash does not exceed 0.012 inch, go to Malfunction 1,page 2-47.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 incorrectlyinstalled valve guide (page 4-12).c. If valve guides are okay, check pistons and cylinder sleeves fordamage; replace as necessary (pages 4-42 and 4-6).3. ENGINE STARTS BUT WILL NOT RUN.NOTEIf fuel is pumped through fuel injection pump (refer to TM 5-3805-262-20) go to step 3 below otherwise go to step 1 below.Step 1.At fuel injection pump, check that fuel shutoff lever is completelyopened. (Fuel shutoff lever is completely opened when it is behindfuel injection pump.)a. If fuel shutoff lever is not completely opened, adjust fuelshutoff cable (refer to TM 5-3805-262-20).2-12
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