Engine Oil Consumption Is High; Table 11-7 Engine Oil Consumption Is High - Mitsubishi S4S-DT Operation & Maintenance Manual

Engine oil consumption is high

Fuel system Faulty fuel injection timing
Oil leakage to the outside of engine
Engine oil viscosity too low
Lubricating
system
Engine oil temperature is high.
Cooling
Overheating
system
Inlet and
Spread oil to intake part
exhaust
systems
Wear of valve operating system
Basic engine Wear of sliding parts
Control
Increase in load
system

Table 11-7 Engine oil consumption is high

Cause
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Check oil leakage.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Use appropriate oil viscosity.
Check amount of engine oil and lubrication system.
(Refer to P3-2)
Check oil cooler and oil thermostat.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Check radiator. (Refer to P8-13)
Check control system.
Thermostat - Inspect
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Check oil leakage to the turbocharger.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Check control system.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Chapter 11 TROUBLESHOOTING
Remedies
(Refer to P5-3)
11-7