a3. LOW ENGINE OIL PRESSURE
START
1.
Is engine oil filter free from
leaks or damage?
KNOWN INFO
Engine oil level and condition
OK.
POSSIBLE PROBLEMS
Damaged engine oil filter.
Faulty reading from oil pressure
gage.
TEST OPTIONS
Visual Inspection
REASON FOR QUESTION
Leaking engine oil filter or oil
tubes will cause low oil level
and result in low engine oil
pressure.
NO
Replace damaged oil tubes and
fittings. Replace damaged engine
oil filter (para 3-4).
YES
2.
Is oil pressure gage reading
correctly?
KNOWN INFO
Engine oil level and condition
OK.
Engine oil filter and oil tubes
OK.
POSSIBLE PROBLEMS
Faulty reading from oil pressure
gage.
TEST OPTIONS
Pressure Gage Check or
STE/ICE-R Test #50
REASON FOR QUESTION
Defective wiring, sending unit,
or gage will indicate low oil
pressure even though engine
oil pressure is good. If gage
shows HIGH pressure, sending
unit is faulty. If gage shows
no pressure, gage is faulty.
NO
YES
Notify DS Maintenance.
Perform Electrical System Troubleshooting
task e11. Engine Oil Pressure Gage Does
Not Operate Or Is Inaccurate.
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
References
TM 9-4910-571-12&P
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
TM 9-2320-365-20-1
(2-71 Blank)/2-72 Change 1
