Jacobsen AR331, Safety, Operation & Maintenance Manual

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PROBLEM SOLVING 9
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 fins 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.