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Troubleshooting
Guide
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
Operate the safety valve manually by pulling on the ring. If the valve con-
valve,
tinues to leak when in the closed position, it should be replaced.
Pressure reading on
If there is an excessive amount of pressure drop when the accessory is
the regulated pressure
used, replace the regulator.
gauge drops when an
accessory
is used.
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-
Move the Auto-On/Off
lever to the Off position. If the unit doesn't shut off,
sure.
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
Remove the water in the tank by draining after each use. High humidity
the discharge air.
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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