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 186 of 1824
a4. ENGINE STALLS AT LOW RPM
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)
TM 9-2320-366-20-1
KNOWN INFO
Air cleaner OK.
Engine oil level and condition
OK.
Air system OK.
Fuel hoses OK.
POSSIBLE PROBLEMS
Air in fuel system.
Dirty fuel filters.
Faulty transfer pump.
Faulty fuel pressure regulating
valve.
2.
Is the fuel system free
from air at fuel/water
separator?
TEST OPTIONS
Visual Inspection
REASON FOR QUESTION
Air in the fuel system will
cause engine to stall at low
rpm.
YES
Replace fuel/water separator (para 4-13).
NO
START
KNOWN INFO
Air cleaner OK.
Engine oil level and condition
OK.
Air system OK.
POSSIBLE PROBLEMS
Faulty fuel hoses between fuel
tank and fuel transfer pump.
Air in fuel system.
Dirty fuel filters.
Faulty transfer pump.
Faulty fuel pressure regulating
valve.
1.
Are fuel hoses between
fuel tank and fuel transfer
pump free of kinks, breaks,
and leakage?
TEST OPTIONS
Visual Inspection
REASON FOR QUESTION
Leaks or bad bends in fuel
hoses will cause engine to stall
at low rpm.
YES
Replace fuel hose(s) (para 4-9).
NO
2-82
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