Komatsu PC118MR-8 Operation And Maintenance Manual page 284

Hydraulic
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TROUBLESHOOTING
TROUBLE
Abnormal noises (during combustion
or in mechanical parts).
Engine stops during operation.
3-200
CAUSE
q Fuel with low cetane rating.
q Overheating.
q Inside of exhaust silencer
damaged.
q Excessive valve clearance.
q Fuel pump prefilter clogged.
q Faulty engine and fuel pipe.
WEAM014802
FUNCTIONING
SOLUTION
q Change with fuel in compliance
with standards.
q See pag. 3-12.
q Change exhaust silencer.
q (Adjust valve clearance).
q Change filter cartridge.
q (Check and repair).

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