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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.
Set the On/Auto/Off
lever to
"OFF" and unplug unit,
3.
Using an adjustable wrench,
loosen outlet tube nut at air tank
and pump. Carefully move outlet
tube away from check valve.
6,
Unscrew the check valve (turn
counterclockwise)
using a 7/8"
open end wrench. Note the
orientation for reassembly,
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 closed
position
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 nuts,
10. Replace the outlet tube and
tighten nuts.
11. Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
Using an adjustable wrench,
loosen pressure relief tube nut at
air tank and pressure switch.
Carefully move pressure relief
tube away from check valve.
17-ENG
A05563
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