Blue Bird M380 2003, Owner'S Manual

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5-2 – Generator - Maintenance/Service Procedures______________________________________M380 Owner’s Manual
5-2-16 Rev. “F”
5-2.6.5 When engine must be stopped immediately
5-2.6.6 When Engine Overheats
Cause Possible Solution
Engine revolution suddenly
decreases or increases.
Check the adjustments, injection timing and the fuel system.
Unusual sound is heard
suddenly.
Check all moving parts carefully.
Color of exhaust suddenly turns
dark. Check the fuel injection system, especially the fuel injection
nozzle.
Bearing parts are overheated. Check the lubricating system.
Check lubricating system.
Check if the engine bearing clearances are within factory specs.
Check the function of the relieve valve in the lubricating system.
Check pressure switch.
Check filter base gasket.
Oil lamp lights up during
operation.
Cause Possible Solution
Engine oil insufficient Check oil level. Replenish oil as required.
Fan belt broken or elongated Change belt or adjust belt tension.
Coolant insufficient Replenish coolant.
Excessive concentration of
antifreeze
Add water only or change to coolant with the specified mixing
ratio.
Radiator net or radiatior fin
clogged with dust
Clean net or fin carefully.
Inside of radiator or coolant flow
route corroded.
Clean or replace radiator and parts.
Fan or radiator or radiator cap
defective
Replace defective part
Thermostat defective
Check thermostat and replace if necessary.
Temperature gauge or sensor
defective
Check temperature with thermometer and replace if necessary.
Overload running
Reduce load
Head gasket defective or water
leakage
Replace parts.
Incorrect injection timing
Adjust to proper timing.
Unsuitable fuel used
Use the specified fuel.