TM-9-2320-366-20-1

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 1 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-1 - Page 184 of 1824

a3. LOW ENGINE OIL PRESSURE

INITIAL SETUP

Equipment Conditions

Engine shut down (TM 9-2320-366-10-1).

References

TM 9-4910-571-12&P

Tools and Special Tools

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICE-R (Item 41, Appendix C)

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.

TM 9-2320-366-20-1

(2-79 Blank)/2-80

Change 1