TM 5-3805-262-20
3-30. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER (Cont) .
Step 13. Remove drive belts from fan, alternator, and crankshaft pulleys
(page 5-4).
Start engine and operate at idle speed for three minutes maximum.
Check if engine power increases; then shut off engine.
a . I f e n g i n e p o w e r i n c r e a s e s , c h e c k f a n a n d a l t e r n a t o r p u l l e y s f or
freedom of rotation.
I f a l t e r n a t o r p u l l e y i s s e i z e d o r d i f f i c u l t t o r o t a t e , r e p l a c e
a l t e r n a t o r ( p a g e 5 - 1 0 ) .
I f f a n p u l l e y i s s e i z e d o r d i f f i c u l t t o r o t a t e , r e p l a c e w a t er
pump (page 4-94).
b. If engine power does not increase, reinstall and adjust tension
of all drive belts (pages 5-5 and 7-96) and notify next higher
maintenance level to check engine timing.
7. EXCESSIVE OIL CONSUMPTION.
Step 1.
Open radiator grille at rear of loader.
Connect STE/ICE power cable W5 connector P1 to VTM J1.
Check that VTM PUSH ON/PULL OFF switch is in OFF position.
Connect power cable W5 red clip lead to loader battery positive post
and black clip lead to loader battery negative post.
Do STE/ICE confidence test (TM 9-4910-571-12&P).
At VTM, dial 60 into TEST SELECT and press and release TEST.
When UEH appears on VTM display, dial 22 into TEST SELECT and press
and release TEST.
Remove engine left side panels (page 9-14).
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