TM 9-2320-365-34-1
2-48
NO
Fuel Injector Test
Is a loud combustion
"knock" heard when
actuating control shaft
lever on each injector
cylinder?
Faulty fuel injector(s) will
cause fuel to burn unevenly
and produce white exhaust
smoke.
Is cylinder head and head
gasket free from leaks
and damage?
Leaking or damaged
cylinder head or head
gasket may cause white
exhaust smoke.
4.
YES
NO
Air cleaner OK.
Coolant OK.
Engine oil OK.
Head gasket not visibly
leaking.
Valve clearance OK.
Injector timing OK.
Air cleaner OK.
Coolant OK.
Engine oil OK.
Head gasket not visibly
leaking.
Valve clearance OK.
Injector timing OK.
Fuel injectors OK.
Faulty cylinder head
and/or head gasket.
Faulty fuel injectors.
Faulty cylinder head
and/or head gasket.
3.
YES
Replace fuel
injector(s) (para 4-2).
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
Replace cylinder
head/gasket (para 3-6).
WARNING
Read WARNING
on following page.
Replace engine assembly
(para 3-3).
a10. WHITE EXHAUST SMOKE FROM ENGINE (CONT)
