TM 9-2320-365-20-1
2-74
1.
START
YES
2.
NO
NO
YES
a4. ENGINE STALLS AT LOW RPM
TEST OPTIONS
REASON FOR QUESTION
REASON FOR QUESTION
TEST OPTIONS
Air cleaner OK.
Engine oil level and
condition OK.
Air system OK.
Air in fuel system.
Dirty fuel filters.
Faulty transfer pump.
Faulty fuel pressure
regulating valve.
Air in the fuel system
will cause engine to
stall at low rpm.
Leaks or bad bends in
fuel hoses will cause
engine to stall at low
rpm.
Are fuel hoses
between fuel tank
and fuel transfer
pump free of kinks,
breaks and leakage?
Replace fuel
hose(s) (para 4-9).
Air cleaner OK.
Engine oil level and
condition OK.
Air system OK.
Fuel hoses OK.
KNOWN INFO
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.
KNOWN INFO
POSSIBLE PROBLEMS
Visual inspection
Visual inspection
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
References
TM 9-4910-571-12&P
Is the fuel system free
from air at fuel/water
separator?
Replace fuel/water
separator (para 4-13).
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
