Quincy Compressor QT-54 User Manual

Page 11
Breaker or reset repeatedly trips 1. Incorrect breaker size
2. Low voltage
3. Malfunctioning motor
4. Loose electrical connections
5. Malfunctioning pressure switch
6. Malfunctioning check valve
Do not remove check valve with air
pressure in tank.
Tank does not hold pressure when
not running and shut o󰀨 valve is
closed
1. Malfunctioning check valve 1. Replace check valve.
Do not remove check valve with air
pressure in tank.
2. Loose ttings or connections 2. Tighten or replace ttings or con-
nections.
3. Crack or pin hole in tank 3. Replace tank. Do not attempt to
repair tank.
Pressure switch unloader constantly
leaking air
1. Malfunctioning check valve 1. Replace check valve if unloader
bleeds constantly.
Do not remove check valve with air
pressure in tank.
Pressure switch not unloading
1. Malfunctioning pressure switch 1. Replace pressure switch if it does
not release air pressure briey
when unit shuts o󰀨.
Do not remove check valve with air
pressure in tank.
Excessive vibration
1. Improper installation
2. Loose belts
1. Make sure unit is mounted on a
level surface with vibration pads.
2. Replace belts. Align and tighten
properly.
3. Misaligned ywheel or drive pulley 3. Align ywheel and drive pulley.
Overheating
1. Compressor too small for ap-
plication
1. Reduce air demand or use a
compressor with more air capacity.
2. Cooling surfaces dirty 2. Clean all cooling surfaces of dirt
and dust.
3. Improper cooling 3. Install compressor in an area with
adequate cool dry air.
TROUBLESHOOTING GUIDE (Continued)
DANGER
DANGER
1. Make sure the breaker is sized
properly. Refer to local electrical
code for proper sizing.
2. Check voltage with volt meter
across both legs of incoming
power.
3. Replace motor.
4. Check all electrical connections.
5. Adjust or replace pressure switch.
6. Replace check valve.
DANGER
DANGER

Quincy Compressor QT-54 Specifications

General

Brand	Quincy Compressor
Model	QT-54
Category	Air Compressor
Language	English