Harbor Freight Tools 93657 - Manual (Page 9)

Page 9 For technical questions, please call 1-800-444-3353. Item 93657
Troubleshooting
Problem Possible Causes Likely Solutions
The motor does
not work.
1. No electrical power.
2. Damaged power cord.
3. Electrical wiring within
the unit is defective.
4. Power switch is defective.
1. Plug the power cord into a working,
120V~, grounded, electrical outlet.
2. Have a qualified service technician
replace the power cord.
3. Have a qualified service technician
replace electric wiring.
4. Have a qualified service technician
replace power switch.
The motor runs,
but it makes
irregular noises or
a knocking noise.
1. Bearing is loose or damaged.
2. Screws in the connection
rod are loose.
1. Have a qualified service technician
replace the bearing.
2. Tighten the screws, or replace them if necessary.
Not enough
pressure when
painting or
spraying.
1. Loose air connection(s).
2. Air hose is damaged.
3. Screws on cylinder cover are loose.
1. Check all air connections, and
tighten them if necessary
2. Replace air hose.
3. Tighten screws.
Poor spray pattern. 1. Loose air connections(s).
2. The paint is too thick.
3. The air brush nozzle is
plugged or dirty.
1. Check all air connections, and
tighten them if necessary.
2. Add paint thinner and mix thoroughly.
3. Clean or change the nozzle.
Motor runs
properly, but no air
pressure or lack
of air delivery.
1. Valve plate is loose or out of place.
2. Retainer ring is damaged after
excessive use at high pressure.
1. Open the front cover and make sure
the valve plate is in the proper position.
Tighten the screws if necessary.
2. Have a qualified service technician
replace the retainer ring.
Follow all safety precautions whenever diagnosing or servicing the compressor.
Disconnect power supply before service.
SAFETY
OPERA
TION
MAINTENANCE
SETUP