PROBLEM
Air leaks in air
tank or at air
tank welds
Air leaks
between head
and valve plate
Pressure
reading on
the regulated
pressure gauge
(if equipped)
drops when an
accessory is
used
Air leak from
safety valve
Compressor is
not supplying
enough air
to operate
accessories
CAUSE
Defective air tank.
Leaking seal.
It is normal for "some"
3ressure drop to occur.
CORRECTION
Air tank must be replaced. Do not
repair the leak.
Risk of Bursting.
Do not drill into,
weld or otherwise modify air tank
or it will weaken. The tank can
rupture or explode.
Contact a Trained Service Technician.
If there is an excessive amount of
pressure drop when the accessory
is used, adjust the regulator as
instructed in the Operation section.
NOTE: Adjust the regulated pressure
under flow conditions (while
accessory is being used).
Possible defect in safety
Operate safety valve manually by
valve,
pulling on ring. If valve still leaks, it
should be replaced.
Decrease amount of air usage.
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.
Restricted air
Dirty air filter.
intake
Motor will not
Motor overload protection
run
switch has tripped.
Tank pressure exceeds
3ressure switch "cut-in"
3ressure.
Check valve stuck open.
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.
Ti hten fittin s.
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.
N001248
22-ENG