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ENGINE SYSTEM TROUBLESHOOTING
ROCKER ARM AND PUSH ROD INSPECTION
/.5tonv1-2/TM-9-2320-365-34-1 M1078 Series 2-1/2-Ton 4x4 Light Medium Tactical Vehicles (LMTV) Manual
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TM 9-2320-365-34-1
2-14
a1. LOW ENGINE OIL PRESSURE
START
NO
YES
Are rocker arms and
push rods free from
excessive wear?
Oil pressure may be
low if rocker arms
and/or push rods
are worn.
Rocker Arm and Push
Rod Inspection
Replace rocker
arms and/or push
rods (para 3-12).
1.
Engine
oil level
OK.
Oil
pressure gage
OK.
Engine oil filter and
oil lines OK.
Sending unit OK.
Worn rocker arms
and/or push rods.
Plugged, damaged, or
loose oil pickup tube.
Faulty oil pressure
relief valve
.
Faulty
oil pump
.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Tools and Special Tools
Tool Kit, Genl Mech (Item 68, Appendix B)
Goggles, Industrial (Item 25, Appendix B)
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