Mitsubishi S12R - Excessive Engine Oil Consumption

11 TROUBLESHOOTING
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
188
Pub. No. 291Y1-40720 Revision: 5
Excessive Engine Oil Consumption
Table 11-9 Excessive Engine Oil Consumption
Problem Cause Remedies Reference
Page
Excessive Engine
Oil Consumption
Fuel System Faulty fuel injection
timing
• Check fuel injection pump drive
coupling.
-
• Contact your MHIET dealer. 10
Lubrication
System
Oil leaking on en-
gine outside
• Check engine oil leaks. -
• Contact your MHIET dealer. 10
Faulty engine oil
property (viscosity)
• Analyze engine oil properties -
• Change with the engine oil of
proper viscosity.
198
Excessive engine
oil temperature
• Engine Oil Level - Check
• Check lubrication system.
• Check oil cooler and oil
thermostat.
149
• Contact your MHIET dealer. 10
Cooling System Overheating • Refer to the items of overheating. 189
Intake and
Exhaust
Systems
Oil entry to the air
supply chamber
• Check oil leakage to the
turbocharger.
-
• Contact your MHIET dealer. 10
Worn parts in valve
operating system
• Contact your MHIET dealer. 10
Control System Excessive load • Check control system and
governor controller.
-
• Contact your MHIET dealer. 10
Engine Body Wear of sliding
parts
• Contact your MHIET dealer. 10