Oil Level Rises (Coolant Or Fuel In Oil) - Komatsu PC200-8M0 Shop Manual

SEN06140-00
S-13 Oil level rises (coolant or fuel in oil)
General causes why oil level rises
q
Coolant in oil (milky)
q
Fuel in oil (oil smell of diluted diesel fuel)
a If oil is in coolant, perform troubleshooting for "S-11 Oil is in coolant".
Check recent repair history.
Machine opera-
Operated for long period
tion hours
Fuel must be added more frequently.
Coolant must be added more frequently.
Oil in coolant
Oil smells of diesel fuel
Oil is milky.
While engine is running, drops of water come from muffler.
If radiator cap is removed and engine is run at low idle, an unusual number of bubbles
appears, or coolant spurts.
Exhaust smoke is white.
Oil level in damper chamber decreases.
When compression pressure is measured, it is found to be low.
Remove injector and check O-ring.
Check cylinder block.
Check rear oil seal.
Pressure tightness test result of oil cooler shows oil leakage.
Remove and check supply pump.
Check seal of auxiliaries.
20
40-600
600 Troubleshooting of engine (S-mode)
S-13 Oil level rises (coolant or fuel in oil)
Causes
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Remedy
PC200, 200LC, 220, 220LC-8M0
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