11-8
Chapter 11 TROUBLESHOOTING
Overheating
Low engine oil pressure
When fuel has run out
When fuel runs out during engine operation and the engine has stopped, restart the engine as described below.
1. Return the starter switch to the OFF position.
2. Add fuel to the fuel tank.
For filling fuel tank, refer to "Fuel tank oil level - Check" (3-9).
3. Bleed air from the fuel system.
For bleeding air from fuel system, refer to "Fuel system - Bleed air" (3-2).
4. Restart the engine.
For starting the engine, refer to "Starting" (3-13).
Table 11-8 Overheating
Cause Remedies
Cooling
system
Low coolant level
Check coolant leakage
Check coolant level. (Refer to P3-10)
Faulty water pump operation Consult a Mitsubishi dealer.
Faulty thermostat operation Consult a Mitsubishi dealer.
Faulty radiator operation Check and clean radiator and pressure cap.
Control
system
Increase in load
Check fuel injection pump rack stroke.
Check control system and governor controller.
Consult a Mitsubishi dealer.
Engine
mechanical
Rapid wear of sliding parts
Consult a Mitsubishi dealer.
Table 11-9 Low engine oil pressure
Cause Remedies
Lubricating
system
Insufficient amount of engine oil
Check amount of engine oil and lubrication system. (Refer to
P3-9)
Faulty engine oil property (viscos-
ity)
Analyze oil property. Use appropriate engine oil. (Refer to P5-
1)
Oil temperature too high
Check coolant system.
Consult a Mitsubishi dealer.
Oil filter clogged Inspect and replace oil filter. (Refer to P8-10)
Faulty oil pump operation Consult a Mitsubishi dealer.
Faulty relief valve operation Consult a Mitsubishi dealer.
Control
system
Faulty pressure unit operation
Check control system and wire.
Consult a Mitsubishi dealer.
Engine
mechanical
Increase in load
Check control system and governor controller.
Consult a Mitsubishi dealer.
Rapid wear of sliding parts Consult a Mitsubishi dealer.
Increase clearance of sliding part. Consult a Mitsubishi dealer.
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