Use and Care Manual

23 HUSKYTOOLS.COM
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Troubleshooting (continued)
Problem Possible Cause Solution
The motor hums and runs
slowly, or the motor does
not run at all.
□ The voltage is low. □ Check incoming voltage. It should be approximately 240 volts.
The motor will not run properly on 208 volts. Low voltage could
be due to wires (from electrical source to compressor) being too
small in diameter and / or too long. Have a qualifi ed electrician
check these conditions and make repairs as needed.
□ There are too many devices on the
same circuit.
□ Limit the circuit to the use of the compressor only.
□ The electrical connections are loose. □ Check all the electrical connections.
□ The pressure switch is
malfunctioning - the contacts will
not close.
□ Replace the pressure switch.
□ The check valve is malfunctioning. □ Replace the check valve. Do not disassemble the check valve with
air pressure in the tank.
□ The unloader valve on the pressure
switch is defective.
□ Replace the unloader valve.
□ The motor capacitor(s) are defective. □ Replace the capacitor(s).
□ The motor is defective. □ Replace the motor.
The reset mechanism
cuts out repeatedly or
the circuit breaker trips
repeatedly.
□ There is not proper ventilation for
the air compressor unit, or the room
temperature too high.
□ Move the compressor to a well-ventilated area.
□ There are too many devices on the
same circuit.
□ Limit the circuit to the use of only the air compressor.
□ The air intake is restricted. □ Clean or replace the air fi lter element.
□ The electrical connections are loose. □ Check all the electrical connections.
□ The pressure switch shut-off
pressure is set too high.
□ Replace the pressure switch.
□ The check valve is malfunctioning. □ Replace the check valve. Do not disassemble the check valve with
air pressure in the tank.
□ The unloader valve on the pressure
switch is defective.
□ Replace the unloader valve.
□
The motor capacitor(s) are defective. □ Replace the capacitor(s).
□ The motor is defective. □ Replace the motor.
The tank does not hold
pressure when the
compressor is off and the
shut off valve is closed.
□ There are air leaks in the fi ttings,
tubing on the compressor, or the
plumbing outside the unit.
□ Listen for escaping air. Apply soap solution to all fi ttings and
connections. Bubbles will appear at points of leakage. Tighten or
replace leaking fi ttings or connections. Use pipe thread sealant.
□ The check valve is worn. □ Replace the check valve. Do not disassemble the check valve with
air pressure in the tank.
□ Check the tank for cracks or pin
holes.
□ Replace the tank. Never try to repair a damaged tank.
The pressure switch
continuously blows air out
the unloader valve.
□ The check valve is malfunctioning. □ Replace the check valve if the unloader valve on the pressure
switch bleeds off constantly when the unit shuts off. Do not
disassemble the check valve with air pressure in the tank.
There is excessive
vibration.
□ The fasteners on the pump or the
motor are loose.
□ Tighten the fasteners.
□ The belt needs to be replaced. □ Replace the belt. Make sure to use the correct size.
□ The belt needs to be aligned. □ Align the fl ywheel and the pulley.