TM 5-3805-262-342-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION6. ENGINE OVERHEATS (Cont).Step 4.Step 5.Step 6.Check fuel injection pump timing adjustmenta. If timing adjustment is not okay, adjustb.If timing adjustment is okay, go to step(page 3-10).(page 3-10).5 below.Check fuel injection governor adjustments (page 3-14).a. If fuel injection governor adjustments are not okay, adjust(page 3-14).If adjustments cannot be performed, go to step 6below.b.If fuel injection governor adjustments are okay, go to step 7below.Remove five capscrews securing gear cover and gasket to timing gearcover.Discard gasket.Check fuel injection pump drive gear to idler gear backlash usingdial indicator.Backlash should be 0.012 inch.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 2-47.2-26
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