Komatsu PC210 - Page 144

2-100
PC210/240-ENG
ENGINE (cont’d( (16.6.3)
Problem Main causes Remedy
Exhaust gas is white or blue
Exhaust gas occasionally turns black
Combustion noise occasionally makes
breathing sound
Abnormal noise generated
(combustion or mechanical)
• Too much oil in oil pan
• Improper fuel
• Clogged air cleaner element
• Defective nozzle
• Defective compression
• Defective turbocharger
• Defective nozzle
• Low grade fuel being used
• Overheating
• Damage inside muffler
• Excessive valve clearance
• Add oil to specified level
see “CHECK BEFORE
STARTING”
• Change to specified fuel
• Clean or replace, see
“WHEN REQUIRED”
(• Replace nozzle)
(• See defective compression
above)
(• Clean or replace turbo-
charger)
(• Replace nozzle)
• Change to specified fuel
• Refer to “Radiator water
level monitor lights up” as
above
(• Replace muffler)
(• Adjust valve clearance)
16. TROUBLESHOOTING