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 226 of 1824
TEST OPTIONS
REASON FOR QUESTION
4.
Visual inspection
KNOWN INFO
POSSIBLE PROBLEMS
Malfunction in fuel system.
Engine cranking speed OK.
Fuel return hose OK.
This question eliminates
possible problems and
determines where
troubleshooting continues.
Does fuel flow from
fuel/water separator?
TEST OPTIONS
REASON FOR QUESTION
Visual inspection
5.
Does fuel flow from
fuel transfer hose?
KNOWN INFO
POSSIBLE PROBLEMS
Malfunction in fuel system.
Engine cranking speed OK.
Fuel return hose OK.
Fuel supply hose OK.
Fuel tank OK.
Fuel/water separator OK.
NO
YES
Go to step 12
of this fault.
NO
b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT)
Faulty fuel transfer hose.
Faulty fuel transfer pump.
Faulty fuel tubes.
Faulty fuel filter.
Faulty fuel pressure
regulating valve.
Faulty orifice tube assembly.
Faulty fuel supply hose.
Faulty fuel tank.
Faulty fuel/water separator.
Faulty cylinder head.
YES
Replace fuel transfer
hose (para 4-9).
Faulty fuel transfer hose.
Faulty fuel transfer pump.
Faulty fuel tubes.
Faulty fuel filter.
Faulty fuel pressure
regulating valve.
Faulty orifice tube assembly.
Faulty cylinder head.
If fuel does not flow from fuel
transfer hose, fuel transfer hose
is faulty.
TM 9-2320-366-20-1
2-114
Change 1
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