TEST OPTIONS
REASON FOR QUESTION
Visual inspection
6.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection
KNOWN INFO
7.
YES
Notify DS Maintenance.
NO
YES
Replace fuel tube from
fuel filter base to fuel
transfer pump (para 4-10).
NO
b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT)
TM 9-2320-365-20-1
2-106.2 Change 1
Does fuel flow from fuel
transfer pump?
Faulty fuel transfer pump.
Faulty fuel tubes.
Faulty fuel filter.
Faulty fuel pressure
regulating valve.
Faulty orifice tube assembly.
Faulty cylinder head.
Malfunction in fuel system.
Engine cranking speed OK.
Fuel return hose OK.
Fuel supply hose OK.
Fuel tank OK.
Fuel/water separator OK.
Fuel transfer hose OK.
If fuel does not flow from fuel
transfer pump, fuel transfer
pump is faulty.
If fuel does not flow from fuel
tube, fuel tube is faulty.
Does fuel flow from fuel
tube?
Malfunction in fuel system.
Engine cranking speed OK.
Fuel return hose OK.
Fuel supply hose OK.
Fuel tank OK.
Fuel/water separator OK.
Fuel transfer hose OK.
Fuel transfer pump OK.
POSSIBLE PROBLEMS
Faulty fuel tubes.
Faulty fuel filter.
Faulty fuel pressure
regulating valve.
Faulty orifice tube assembly.
Faulty cylinder head.
