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ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST BE
PERFORMED BY TRAINED SERVICE
TECHNICIAN.
Risk of Unsafe
Operation. Unit
cycles automatically
when power
is on. When servicing,
you may
be exposed
to voltage sources,
compressed
air, or moving parts.
Before servicing
unit unplug or
disconnect
electrical
supply to
the air compressor,
bleed tank
of pressure,
and allow the air
compressor
to cool.
TO REPLACE
OR CLEAN
CHECK
VALVE
1.
Release all air pressure from air
tank. See To Drain Tank in the
Maintenance section.
2.
Unplug air compressor.
3.
Using an adjustable wrench
loosen outlet tube nut at air tank
and pump. Carefully move outlet
tube up away from check valve.
4.
Using an adjustable wrench
loosen pressure relief tube nut at
air tank. Carefully move pressure
relief tube away from check valve.
Outlet
Tube
Pressure
Relief
Tube
5.
Unscrew the check valve (turn
counterclockwise)
using a 7/8"
open end wrench. Note the
orientation for reassembly.
6.
Using a screwdriver, carefully
push the valve disc up and down.
NOTE: The valve disc should
move freely up and down on a
spring which holds the valve disc
in the closed position, if not the
check valve needs to be cleaned
or replaced.
position
nothing
is
visible.
in close
disc is visible.
7.
Clean or replace the check valve.
A solvent, such as paint or varnish
remover can be used to clean the
check valve.
8.
Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
9.
Replace the pressure release tube.
Tighten nut.
10. Replace the outlet tube and
tighten nuts.
11. Perform the Break-in Procedure.
See Break-in Procedure
in the
Operation section.
TO REPLACE
REGULATOR
1.
Release all air pressure from air
tank. See To Drain Tank in the
Maintenance section.
2.
Set the Auto/Off lever to "Off" and
unplug unit.
3.
Using an adjustable wrench
remove the gauges and quick
connect from the regulator.
ulator
22- ENG
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