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Troubleshooting
Guide
The air compressor should be turned
air bled from the tank and the unit allowed time to cool.
off and unplugged
from the power
Personal injuries could occur from moving parts, electrical
source before any maintenance is performed as well as the
sources, compressed air, or hot surfaces.
PROBLEM
POSSIBLE CORRECTION
Air leaks at the check valve
A defective check valve results in a constant air leak at the pressure release valve
or 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
Be sure of proper torque on head bolts. If leak remains, then contact Midwest Air
cylinder.
Technologies.
Air leak from safety valve.
Operate the safety valve manually by pulling on the ring. If the valve continues 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 pressure.
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 Midwest Air Technologies.
Motor will not start.
Excessive moisture in the
discharge air.
Air leaks from the tank body
or tank welds.
Make sure power cord is plugged in and the switch is on. Check the reset button
(if equipped) on the motor. Reset if needed or allow 30 minutes for cooling period.
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
Midwest Air Technologies.
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.
Water condensation
is not caused by compressor malfunction. Be sure the
compressor's
air output is greater than your tool's air consumption rate.
Never drill into, weld or otherwise modify the air tank or it will weaken. The tank can
rupture or explode. Contact Midwest Air Technologies.
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