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Les langues disponibles
TROUBLESHOOTING GUIDE (CONTINUED)
SYMPTOM
Excessive moisture in discharge
air
Knocks, rattles, and/or
excessive vibration
Compressor runs continuously
and safety valve opens as
pressure rises
Air leaking from unloader
valve on pressure switch
POSSIBLE CAUSE(S)
1. Excessive water in tank
2. High humidity
1. Loose mounting bolts
2. Tank not level
3. Cylinder or piston is worn/scored
1. Defective pressure switch
2. Defective safety valve
1. Check valve stuck in an open position
2. Unloader valve stuck in open
position
CORRECTIVE ACTION
1. Drain tank.
2. Move to area of less humidity; use air line filter.
1. Tighten bolts.
2. Use sturdy wedge / object to bring tank to level
position.
3. Replace or repair as necessary.
1. Replace switch.
2. Replace safety valve with genuine replacement
part.
1. Replace check valve.
2. Replace unloader valve.
tank.
10
Do not disassemble check valve
with air pressure in tank; bleed
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