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Electric Air Compressor Manual 17
Move unit to a well ventilated area.
Repair or replace gaskets and
valves. Torque head bolts to 17ft./lbs.
Replace thermal overload.
Contact motor repair center if still
having problems.
The motor thermal overload contin-
ues to trip or fails to reset.
Improper ventilation causing the
pump or motor to overheat.
Defective head gasket or faulty
(reed) valve.
Faulty motor thermal overload.
Air compressor starts but does not
build up pressure.
Tighten connection.
Air bleed off line is loose.
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE REMEDY
Air tank drain valve is open.
Air leaks at connections.
Completely close air tank drain
valve.
Allow the air compressor to build
pressure to the maximum allowed.
Turn off and brush a soapy wa-
ter solution onto all connections.
Check connections for air bubbles.
Tighten the connections where
leaks are present.
Air leak in air tank.
Air tank must be replaced.
Do not attempt to repair
air tank!
Defective check valve.
Remove, clean or replace.
Pressure loss in system.
Lack of oil in the pump.
Carbon deposits on pistons or
valves.
Bearing, piston or connecting rod
failure.
Add correct amount of oil. Check for
bearing damage.
Remove cylinder head and inspect.
Clean or replace valve plate.
STOP THE AIR COMPRESSOR!
Contact your Customer Service.
Noisy operation.
Pressure switch does not shut off
motor when air compressor reaches
"Stop" pressure and safety relief
valve activates.
Air compressor is not large enough
for air required.
Motor runs continuously.
Push the pressure switch lever to
the "OFF" position. If the motor
does not shut off, unplug the air
compressor. If the electrical con-
tacts are welded together, replace
the pressure switch.
Check the accessory air require-
ment. If it is higher than the CFM or
pressure supply of the air compres-
sor, you need a larger air compres-
sor.