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TM 10-3930-643-20
ENGINE, FUEL, EXHAUST AND COOLING
4-1.
Engine Troubleshooting.
TROUBLESHOOTING AND MAINTENANCE. (cent)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
f .
LOW OIL PRESSURE.
Step 1.
Check oil level.
I f l o w , a d d o i l . R e f e r t o L O 1 0 - 3 9 3 0 - 6 4 3 - 1 2 .
Step 2. Check for engine oil leaks.
I n s p e c t f i l t e r s,
oil pan and drain
plug.
I f l e a k s a r e o b s e r v e d , t i g h t e n b o l t s , f i l t e r s a n d d r a i n p l u g .
Notify Direct Support if necessary.
If no leaks are present, go to step 3.
Step 3.
Check that proper grade and weight of oil is being used, refer
to LO 10-3930-643-12.
If improper type of oil is being used,
drain oil, change filters and
r e f i l l w i t h c o r r e c t o i l .
If oil being used is correct type, go on to step 4.
4-4
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