8
Troubleshooting Guide
WARNING!
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
valve or at the pres-
sure relief valve.
A defective check valve results in a constant air leak at the pressure relief
valve when there is pressure in the tank and the compressor is shut off.
Drain the tank, then remove and clean or replace the check valve.
Air leaks between
head and cylinder.
Be sure of proper torque on head bolts. If leak remains, contact a service
technician.
Air leak from safety
valve.
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.
Pressure reading on
the regulated pressure
gauge drops when an
accessory is used.
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.
Excessive tank pres-
sure.
Move the Auto-On/Off lever to the Off position. If the unit doesn’t shut off,
unplug it from the power source and contact a service technician.
Motor will not start.
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.
Excessive moisture in
the discharge air.
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
body or tank welds.
Never drill into, weld or otherwise modify the air tank or it will weaken.
The tank can rupture or explode. Compressor cannot be repaired. Dis-
continue use of the air compressor.
