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18- ENG
PROBLEM CAUSE CORRECTION
Air leaks at
or inside
check valve
Check valve seat
damaged.
A defective check valve results in
a constant air leak at the pressure
release valve when there is pressure in
the tank and the compressor is shut
off. Replace check valve. Refer the To
Replace or Clean Check Valve in
the Service and Adjustments section.
Air leaks at
pressure switch
release valve
Defective pressure
switch release valve.
Contact a Trained Service Technician.
Air leaks in air
tank or at air
tank welds
Defective air tank. 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.
Air leaks
between head
and valve plate
Leaking seal. Contact a Trained Service Technician.
Pressure
reading on
the regulated
pressure gauge
drops when
an accessory
is used
It is normal for "some"
pressure drop to occur.
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).
Air leak from
safety valve
Possible defect in
safety valve.
Operate safety valve manually
by pulling on ring. If valve still
leaks, it should be replaced.
Compressor is
not supplying
enough air
to operate
accessories
Prolonged excessive
use of air.
Decrease amount of air usage.
Compressor is not
large enough for
air requirement.
Check the accessory air requirement. If
it is higher than the SCFM or pressure
supplied by your air compressor,
you need a larger compressor.
Hole in hose. Check and replace if required.
Check valve restricted. Remove and clean, or replace.
Air leaks. Tighten fittings.
Restricted air intake filter. 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.
Restricted
air intake
Dirty air filter. Clean or replace. See Air Filter
paragraph in the Maintenance section.
Regulator knob
has continu-
ous air leak.
Damaged regulator. Replace.
Regulator will
not shut off
air outlet.
Damaged regulator. Replace.