TM 5-3805-262-203-4. ENGINE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER (Cont).Step 12. (Cont).b. If engine power does not increase, r e i n s t a l l a n d a d j u s t t e n s i onof all drive belts (page 5-5 and 7-96) and notify next highermaintenance level to check engine timing.7. EXCESSIVE OIL CONSUMPTION.Step 1.Tell assistant to start and warmengine to operating temperature.Watch hourmeter/tachometer and tella s s i s t a n t t o i d l e e n g i n e .Record tachometer indication.T e l l a s s i s t a n t t o d e p r e s s a c c e l e r a t orpedal until maximum governed speed of2300 to 2340 rpm is obtained.T e l l a s s i s t a n t t o d e p r e s s a c-c e l e r a t o r p e d a l a s f a r a s itwill go.Tachometer should indicate2300 to 2340 rpm.T e l l a s s i s t a n t t o i d l e e n g i nefor three minutes then shutoff engine.Tachometer indication at idle speed should be 700 to 750 rpm; tach-ometer indication with accelerator pedal completely depressed shouldbe 2300 to 2340 rpm.a.b.If engine rpm is not as specified above, check adjustment of ac-c e l e r a t o r l i n k a g e ( p a g e 4 - 6 4 ) ; a d j u s t i f n e c e s s a r y . I f a d j u s t-ment is okay, notify next higher maintenance level to adjustfuel injection pump.If engine rpm is as specified above, go to step 2 below.Step 2.Remove engine left rear side panel (page 9-14).Remove engine oil pressure switch (page 5-112).Install a zero to 100 psi pressure gage in port from which engineoil pressure switch was removed.Tell assistant to start engine and operate at idle speed.Pressure gage should indicate 45 to 60 psi with engine at normaloperating temperature.Tell assistant to shut off engine.3-32
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