PROBLEM
Compressor is
not supplying
enough air
to operate
accessories
Restricted air
intake
Motor will not
run
CAUSE
Prolonged excessive use
of air.
Compressor is not large
enough for air requirement.
Hole in hose.
Check valve restricted.
Air leaks.
Restricted air intake filter.
Loose belt.
Dirty air filter.
Motor overload protection
switch has tripped.
Tank pressure exceeds
pressure switch "cut-in"
pressure.
Check valve stuck open.
Loose electrical
connections.
Possible defective motor or
starting capacitor.
Paint spray on internal
motor parts.
Pressure release valve on
pressure switch has not
unloaded head pressure.
Decrease amount of air usage.
Check the accessory air requirement.
If it is higher than the SCFM or
pressure supplied by your air
compressor, you need a larger
compressor.
Check and replace if required.
Remove and clean, or replace.
Tighten fittings.
Clean or replace air intake filter. Do
not operate the air compressor with
the filter removed. Refer to the Air
Filter paragraph in the Maintenance
section.
Loosen wingnut and then tighten
wingnut until it contacts the washer,
plus one turn.
Clean or replace. See Air Filter
paragraph in the Maintenance
section.
Refer to Motor Overload Protection
under Operation. If motor overload
protection trips frequently, contact a
Trained Service Technician
Motor will start automatically when
tank pressure drops below "cut-in"
pressure of pressure switch.
Remove and clean, or replace.
Check wiring connection inside
pressure switch and terminal box
area.
Have checked by a Trained Service
Technician.
Have checked by a Trained Service
Technician. Do not operate the
compressor in the paint spray area.
See flammable vapor warning.
Bleed the line by pushing the lever
on the pressure switch to the "Off"
position; if the valve does not open,
replace switch.
25 - ENG
25 - ENG
CORRECTION