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

  TM-9-2320-366-20-1 - Page 232 of 1824

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


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