8 PROBLEM SOLVING
en-99
Dirty Smoke or carbon increase on the Exhaust
Cause Action
Wrong fuel Only use Diesel fuel specified in specification section.
Bad Nozzle If necessary, replace the nozzle.
Engine must be stopped immediately
Cause Action
The color of The exhaust turns dark. Check the fuel system and the fuel injection nozzle.
The bearings are at more than operating
temperature.
Check the lubricating system.
The oil-temperature light is illuminated.
Check the lubricating system
Check the function of the relief valve in the lubricating system.
Check the pressure switch.
Check the fuel filter base gasket.
Engine Temperature above Safe Maximum.
Cause Action
Engine oil low. Check oil level. Fill to specified level.
The fan belt is broken or has defects. Change the belt or adjust the belt tension.
Coolant low. Fill to the specified level.
The Anti-freeze solution is too strong. Add clean water only or change to coolant of the correct ratio.
The radiator screen or radiator fins are dirty. Clean screen or fin carefully.
The radiator or coolant lines are dirty Clean or replace the radiator and parts.
The fan, radiator or radiator cap has defects. Replace the parts.
The Thermostat has defects. Check the thermostat and replace if necessary.
The Temperature gauge or sensor has defects. Check the temperature with thermometer and replace if necessary.
Engine is operated at more than maximum load. Decrease the load.
Head gasket has defects or water leakage. Replace the parts.
Incorrect fuel used Use specified fuel.
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