Operation Manual

ENGLISH
25TROUBLESHOOTING
BWhen engine overheats
Cause Countermeasures
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
radiator 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 parts.
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.
Unsuitable fuel
used
* Use the specified fuel.