TM 5-3805-262-20
3-4. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. LOW ENGINE OIL PRESSURE (Cont).
S t e p 1 . ( C o n t ) .
Tell assistant to turn ignition key switch to on position and check
that OIL PRESS warning light is off.
Tell assistant to turn ignition key switch to off position.
a. If OIL PRESS warning light is on, check for short circuit in
wire between oil pressure switch and OIL PRESS warning light.
b. If OIL PRESS warning light is off, go to step 2 below.
Step 2. Turn engine oil dipstick handle clockwise several turns then pull up
to remove.
Check if proper weight oil is used (see L0 5-3805-262-12) and if oil
level is between ADD and FULL marks on dipstick.
a. If engine oil is not proper weight, drain engine oil, replace
oil filter, and fill crankcase with proper weight oil (page
4-2). If oil level is not between ADD and FULL marks, add oil,
b. If engine oil is proper weight and oil level is between ADD and
FULL marks, go to step 3 below.
Step 3. Remove engine oil pressure switch (page 5-112).
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