LOW ENGINE OIL PRESSURE (LESS THAN 5 PSI [34 KPA] AT IDLE, LESS THAN 40 PSI [276 KPA] DURING NORMAL OPERATION).

TM 9-2320-364-34-1

2-10. ENGINE TROUBLESHOOTING (CONT).

3. LOW ENGINE OIL PRESSURE (LESS THAN 5 PSI [34 KPA] AT

IDLE, LESS THAN 40 PSI [276 KPA] DURING NORMAL OPERATION).

INITIAL SETUP

Tools and Special Tools

References

Tool Kit, General Mechanic's

TM 9-2320-364-10

(Item 240, Appendix F)

Equipment Condition

Materials/Parts

Engine OFF, (TM 9-2320-364-10)

Solvent, Drycleaning, (Item 68, Appendix B)

Parking brake applied, (TM 9-2320-364-10)

Screw, Self-locking, (Item 554, Appendix E)

Wheels chocked, (TM 9-2320-364-10)

Strainer, Element, (Item 675, Appendix E)

START

KNOWN INFO

TEST OPTIONS

WARNING

Read WARNING

Oil pickup tube and element

Unit Troubleshooting tasks

on Page 2-71

strainer inspection.

completed.

REASON FOR QUESTION

POSSIBLE PROBLEMS

Is oil pickup tube free from

damage and bolted securely

If oil pickup tube is loose, the oil

Oil pickup tube faulty, or oil

pump will lose suction and oil

to front crankshaft cover, and

pickup tube intake screen

pressure will decrease. If

intake element strainer free

faulty.

element strainer is dirty, it will

from restrictions?

Oil pressure regulator valve

prevent oil pickup and decrease

faulty.

oil pressure.

Oil pressure relief valve faulty.

Oil pump faulty.

Secure loose

Oil cooler adapter plugged.

connection, replace

oil pickup tube, or

replace intake

element strainer

(Para 3-26).

Verify repair, go to

Step 6 of this Fault.

YES

2-70