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Operation
Problem
Exhaust gas occasionally turns
black
Combustion noise occasionally
make breathing sound
Abnormal noise generated
(combustion or mechanical)
PW180-7E0 – VEAM400102
Main causes
Clogged air cleaner element
Defective nozzle
Defective compression
Defective turbocharger
Defective nozzle
Low-grade fuel being used
Overheating
Damage inside muffler
Excessive valve clearance
3.31 Other trouble
Remedy
Clean or replace, see
"When required (4-33)"
(Replace nozzle)
(See defective compression above)
Clean or replace turbocharger
(Replace nozzle)
Change to specified fuel
Refer to "Radiator water level moni-
tor (3-9)" lights up as above
Replace muffler
(Adjust clearance)
3-179
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