Komatsu ecot3 - Page 261

.
OPERATION
TROUBLES AND ACTIONS
Problem Main causes Remedy
Abnormal noise generated
(combustion or mechanical)
Low-grade fuel being used
Overheating
Damage inside muffler
Excessive valve clearance
Change to specified fuel
Refer to "Radiator coolant level
monitor lights up" as above
(
Replace muffler)
(
Adjust valve clearance)
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