5
Tighten connections
Connection leaking
Clean or replace intake filter
Intake filter dirty
Replace tank feet
Rubber tank feet worn/missing
Compressor not large enough to
meet CFM requirement for the air
tool
Excessive air usage
Clean or replace filter
Clogged intake filter
Move compressor to area of less
humidity; use air line filter
High humidity
Disassemble check valve
assembly. Clean or replace.
DANGER! Do not disassemble
check valve with air in tank.
Bleed tank first.
Check valve leaking
Tighten draincock
Open draincock
Tighten draincock
Open draincock
Air output lower than
normal
Tighten bolts
Loose mounting bolts
Compressor vibrates
Replace switch
Defective pressure switch
Compressor runs
continually
Drain receiver
Excessive water in tank
Excessive moisture in
discharge air
Check for air leaks. Use sealing
tape on all leaking connections
Loose connections (fittings, tubing, etc.)
Tank pressure drops
when compressor
shuts off
Corrective Action
Possible Cause(s)
Symptom
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