Perform Electrical System Troubleshooting
task e6. Engine Cranks But Does Not Start.
a2. ENGINE CRANKS BUT DOES NOT START
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-365-10).
Personnel Required
(2)
Tools and Special Tools
Tool Kit, Genl Mech (Item 44, Appendix C)
STE/ICE-R (Item 39, Appendix C)
Pan, Drain (Item 24, Appendix C)
References
TM 9-4910-571-12&P
KNOWN INFO
TEST OPTIONS
Visual Inspection
REASON FOR QUESTION
Restricted or damaged air
cleaner hose or tube may
cause engine not to intake
enough air to ignite fuel.
KNOWN INFO
TEST OPTIONS
Fuel Return Hose Test
REASON FOR QUESTION
Perform Fuel System Troubleshooting task
b1. Engine Cranks But Does Not Start or
Engine Stalls After Starting.
NO
YES
Fuel quantity OK.
Fuel/water separator is primed.
POSSIBLE PROBLEMS
Air cleaner hose or tube
restricted or damaged.
Faulty fuel system.
Faulty electrical system.
Fuel quantity OK.
Fuel/water separator is primed.
Air cleaner hose or tube OK.
POSSIBLE PROBLEMS
TM 9-2320-365-20-1
2-68 Change 1
If fuel does not flow from fuel
return hose, fuel system is
faulty. If fuel does flow from
fuel return hose, electrical
system is faulty.
START
1.
Are air cleaner tube and
hose free from restrictions
and/or damage?
Faulty fuel system.
Faulty electrical system.
2.
Does fuel flow from fuel
return hose?
WARNING
Read WARNING
on following page.
YES
Remove restrictions and damaged
air cleaner hose or tube (para 4-2).
NO
