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Troubleshooting Guide
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The air compressor should be turned off and unplugged from the power source before any mainte-
nance is performed as well as the air bled from the tank and the unit allowed time to cool. Personal
injuries could occur from moving parts, electrical sources, compressed air, or hot surfaces.
PROBLEM POSSIBLE CORRECTION
Air leaks at the check A defective check valve results in a constant air leak at the pressure relief
valve or at the pres- valve when there is pressure in the tank and the compressor is shut off.
sure relief valve. Drain the tank, then remove and clean or replace the check valve.
Air leaks between Be sure of proper torque on head bolts. If leak remains, contact a service
head and cylinder, technician.
Air leak from safety
valve.
Pressure reading on
the regulated pressure
gauge drops when an
accessory is used.
Excessive tank pres-
sure.
Motor will not start.
Thermal overload
protector cuts
out repeatedly.
Excessive moisture in
the discharge air.
Operate the safety valve manually by pulling on the ring. If the valve con-
tinues to leak when in the closed position, it should be replaced.
If there is an excessive amount of pressure drop when the accessory is
used, replace the regulator.
NOTE:
Adjust the regulated pressure under flow conditions (while accessory is
being used). It is normal for the gauge to show minimal pressure loss
during initial use of the tool.
Move the Auto/Off lever to the Off position. If the unit doesn't shut off,
unplug it from the power source and contact a service technician.
Make sure power cord is plugged in and the switch is on. Inspect for the
proper size fuse in your circuit box. If the fuse was tripped, reset it and
restart the unit. If repeated tripping occurs, replace the check valve or
contact a service technician.
Make sure the Thermal Overload Switch has not tripped. The motor has
a built in thermal cut out that trips when necessary to protect the motor
from damage when overheated.
To reset the motor overload toggle turn the pressure switch Auto/Off lever
to the Off position and unplug the unit from the power outlet. Allow 10
minutes (minimum) for motor overload cut-out to cool and reset. Unit can
then be plugged in and re-started.
1. Lack of ventilation, room temperature too high. Move to cooler
environment.
2. Excessive air usage, compressor too small for this application. Lower
rate of consumption.
Remove the water in the tank by draining after each use. High humidity
environments will cause excessive condensation. Utilize water filters on
your air line.
NOTE:
Water condensation is not caused by compressor malfunction. Be sure
the compressor's air output is greater than your tool's air consumption
rate.
Air leaks from the tank Never drill into, weld or otherwise modify the air tank or it will weaken.
body or tank welds. The tank can rupture or explode. Compressor cannot be repaired. Dis-
continue use of the air compressor.
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