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Page Title:
ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT) |
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 TM 9-2320-366-20-1
b1. ENGINE CRANKS BUT DOES NOT START OR ENGINE STALLS AFTER STARTING (CONT)
KNOWN INFO
TEST OPTIONS
10.
Malfunction in fuel system.
Visual inspection
Engine cranking speed OK.
REASON FOR QUESTION
Fuel return hose OK.
Does fuel flow from
If fuel flows from orifice tube,
Fuel supply hose OK.
orifice tube?
fuel pressure regulating valve
Fuel tank OK.
is faulty.
Fuel/water separator OK.
Fuel transfer pump OK.
Fuel transfer hose OK.
Fuel filter OK.
NO
Fuel tube OK.
POSSIBLE PROBLEMS
Faulty fuel pressure
regulating valve.
Go to step 11 of
Faulty orifice tube assembly.
YES
this fault.
Faulty cylinder head.
Replace fuel pressure
regulating valve (para 4-3).
KNOWN INFO
TEST OPTIONS
11.
Visual inspection
Malfunction in fuel system.
Engine cranking speed OK.
REASON FOR QUESTION
Fuel return hose OK.
Does fuel flow from
If fuel flow is not present,
Fuel supply hose OK.
cylinder head?
cylinder head is faulty.
Fuel tank OK.
If fuel flow is present, orifice
Fuel/water separator OK.
tube assembly is faulty.
Fuel transfer pump OK.
Fuel transfer hose OK.
Fuel filter OK.
NO
Fuel tube OK.
Fuel pressure regulating
valve OK.
POSSIBLE PROBLEMS
YES
Notify DS Maintenance.
Faulty orifice tube assembly.
Faulty cylinder head.
Replace orifice tube
assembly (para 4-7).
2-114.6
Change 1
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