11-10
Chapter 11 TROUBLESHOOTING
Low Engine Oil Pressure
When Fuel has Run Out
When fuel runs out while engine is running and the engine has stopped, restart the engine as described below.
1. Turn the starter switch to the "OFF" position.
2. Add fuel to the fuel tank.
For refilling fuel tank, refer to "Fuel Tank Oil Level - Check" (3-10).
3. Bleed air from the fuel system.
For bleeding fuel system, refer to "Fuel Filter - Bleed Air" (3-2).
4. Start the engine.
For starting the engine, refer to"Starting-up" (3-14).
Table 11-9 Low Engine Oil Pressure
Causes Remedies
Lubricating
system
Low engine oil level
Check amount of engine oil and lubrication system.
(Refer to P3-12).
Faulty engine oil property (viscos-
ity)
Analyze oil property. Use appropriate engine oil.
(Refer to P5-7).
Engine oil temperature is high.
Cooling System - Check
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Clogged oil filter
Inspect and replace oil filter and bypass oil filter.
(Refer to P8-13).
Faulty oil pump operation Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Faulty relief valve operation Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Control
system
Oil pressure gauge failure
Check control system and wires.
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Basic engine
Rapid wear of sliding parts Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Increase clearance of sliding part. Consult a dealer of Mitsubishi Heavy Industries, Ltd.
Load system Increase in load
Fuel Loading System- Check
Consult a dealer of Mitsubishi Heavy Industries, Ltd.
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