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All maintenance and repair
operations not listed must be
performed by Trained Service
Technician.
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.
Loosen the nut on the outlet tube
and move the outlet tube to the
side.
Outlet Tube
4.
Loosen the nut on the outlet tube
and move the outlet tube to the
side.
A13640
SERVICE AND ADJUSTMENTS
Risk of Unsafe
Operation. Unit
Nut
Check
Valve
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.
In open
position
nothing 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.
16- ENG
Screwdriver
In closed position
disc is visible.
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