Table of Contents
Advertisement
40 Troubleshooting
S-13 Oil level rises (Entry of coolant/fuel)
General causes why oil level rises
Coolant in oil (milky)
q
Fuel in oil (smells diluted diesel fuel)
q
a If oil is in coolant, carry out troubleshooting for "S-11 Oil is in coolant"
Confirm recent repair history
Degree of use of machine Operated for long period
Fuel must be added more frequently
Coolant must be added more frequently
There is oil in coolant
Oil smells of diesel fuel
Oil is milky
When engine is started, drops of water come from muffler
When radiator cap is removed and engine is run at low idle, an abnormal number of bubbles appear,
or coolant spurts back
Exhaust smoke is white
Oil level in damper chamber of applicable machine is low
Oil level in hydraulic tank of applicable machine is low
When compression pressure is measured, it is found to be low
Remove injector and inspect O-ring
Inspect cylinder block, liner directly
Inspect rear oil seal directly
Pressure-tightness test of oil cooler shows there is leakage
Remove and inspect supply pump directly
Inspect seal of auxiliary equipment directly
PC210, 230, 240-8
UEN00246-02
Causes
E
E E
w
Q
Q
Q Q Q Q
w
Q
Q
Q
w
Q
Q
w
q
q
q q
q
Remedy
1
E
w
w
w
w
q
q
q
21
Advertisement
Table of Contents
Troubleshooting
