TM 5-3805-262-20
3-30. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. ENGINE MISFIRES (Cont).
S t e p 5 . ( C o n t ).
b . I f a i r b u b b l e s r i s i n g i n c o o l a n t a r e n o t s e e n , t e l l a s s i s t a n t t o
turn off engine. Install thermostats and thermostat housing
(page 4-89). Connect upper radiator hose to thermostat housing
(page 4-75). Fill radiator with coolant (page 4-71). Install
radiator cap and close and lock radiator cap access panel.
I n s t a l l a l t e r n a t o r d r i v e b e l t s ( p a g e 5 - 5 ) . I n s t a l l e n g i n e l e ft
and right side panels (page 9-17). Notify next higher mainte-
nance level (engine must be checked further).
6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER.
Step 1.
Remove engine left side panels (page 9-14).
Check engine oil level dipstick for over filled engine crankcase or
signs of water in crankcase.
a, If engine crankcase is overfilled as indicated by dipstick,
drain excess oil until level is just below full mark on dipstick
(page 4-2). If signs of water are seen, notify next higher main-
tenance level (oil cooler must be replaced).
b. If engine oil level is okay, go to step 2 below.
Step 2.
Remove engine right side panels (page 9-14).
Check for wrong or contaminated fuel in fuel tank (contaminated fuel
will have a milky white appearance).
a. If fuel is wrong or contaminated, drain and clean fuel tank
( p a g e 4 - 3 2 ) , r e p l a c e f u e l f i l t e r s ( p a g e 4 - 3 8 ) , a n d r e f i l l w i t h
c o r r e c t f u e l.
b. If fuel is okay, go to step 3 below.
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