TROUBLESHOOTING GUIDE (CONTINUED)
MAINTENANCE
/
REP
AIR
TROUBLESHOOTING
OPERA
TION
ASSEMBL
Y
/
INST
ALLA
TION
SAFETY
/
SPECIFICA
TIONS
GETTING ST
ARTED
13
SYMPTOM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Reset mechanism cuts out
repeatedly or fuses blow
repeatedly
1. Too many devices on same circuit
1. Limit the circuit to the use of only the air compressor.
2. Incorrect fuse size or circuit breaker
2. Be sure that fuses or circuit breakers are rated properly.
3. Malfunctioning check valve
3. Replace check valve.
Do not disassemble check valve
with air pressure in tank
4. Pressure switch set too high
4. Adjust or replace.
5. Loose wiring
5. Check all electrical connections.
6. Malfunctioning motor
6. Replace motor.
Tank does not hold pressure
when compressors off and the
shut off valve is closed
1. Worn check valve
1. Replace check valve.
Do not disassemble check valve
with air pressure in tank
2. Check all connections and fittings for
leaks
2. Tighten.
3. Check tank for cracks or pin holes
3. Replace tank. Never repair a damaged tank.
Pressure switch continuously
blows air out the unloader valve
1. Malfunctioning check valve
1. Replace the check valve if the unloader valve bleeds off
constantly.
Do not disassemble check valve
with air pressure in tank
Pressure switch does not release
air when the unit shuts off
1. Malfunctioning unloader valve on
pressure switch
1. Replace the pressure switch if it does not release the
pressure for a short period of time when the unit shuts
off.
Do not disassemble pressure
switch with air pressure in tank
Excessive vibration
1. Loose fasteners
1. Tighten.
2. Belt needs replaced
2. Replace with correct size.
3. Belt alignment
3. Align flywheel and pulley.
