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TROUBLESHOOTING
Air receiver pressure drops when com-
pressor shuts off
Loose connections (fittings, tubing,
etc.)
Loose drain valve
Check valve leaking
Check all connections with soap and
water solution and tighten
Tighten drain valve
Take compressor to service center
DANGER:
Do not disassemble check valve,
tank drain valves or safety relief valve
with air in tank — bleed tank.
Excessive moisture in discharge air Excessive water in air tank
High humidity
Drain tank
Move to area of less humidity; use air
line filter
Compressor runs continuously Defective pressure switch
Excessive air usage
Take compressor to service center
Decrease air usage; compressor not
large enough for tool’s requirement
Compressor vibrates Loose mounting bolts Tighten mounting bolts
Air output lower than normal Broken inlet valves
Connections leaking
Take compressor to service center
Tighten connections
PROBLEM CAUSE SOLUTION