Fault Finding Operating & Maintenance Manual
117
Engine starts but
will not run or
engine shuts down
prematurely.
Electrical fault. Test the electrical circuits.
Low engine oil pressure. Check the oil level and oil filter(s).
Safety shut-down
system in operation.
Check the safety shut-down switches.
Fuel starvation.
Check the fuel level and fuel system
components. Replace the fuel filter if
necessary.
Switch failure. Test the switches.
High compressor oil
temperature.
Check the compressor oil level and oil
cooler. Check the fan drive.
Water present in fuel
system.
Check the water separator and clean if
required.
Faulty relay.
Check the relay in the holder and replace if
necessary.
Engine Overheats. Low water level Check the level and replenish if necessary.
Blocked radiator.
Stop the machine and clean the cooling fins
with compressed air or steam. Use reduced
pressure for cleaning the fins.
Reduced cooling air
from fan.
Check the fan and the drive belts. Check for
any obstruction inside the cowl.
Faulty thermostat
Check the thermostat and replace if
necessary.
Engine speed too
high
Incorrect throttle arm
setting.
Check the engine speed setting.
Engine speed too
low.
Incorrect throttle arm
setting.
Check the engine speed setting.
Blocked fuel filter. Check and replace if necessary.
Faulty regulator valve. Check the regulation system.
Incorrectly set regulation
system
Reset the regulation system. Refer to
SPEED AND PRESSURE REGULATION
ADJUSTMENT in the MAITENANCE section
of this manual.
Premature unloading.
Check the regulation and the operation of the
air cylinder.
FAULT CAUSE REMEDY
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