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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.
Loosen the nut on the outlet tube
and move the outlet tube to the
side.
4.
5.
Unscrew the check valve (turn
counterclockwise)
using a socket
wrench.
Make sure the valve disc moves
freely inside the check valve and
the spring holds the disc in the
upper, closed position. The
check valve may be cleaned with
a solvent, such as paint and
varnish remover.
position
nothing is
visible.
In closed position
disc is visible.
6.
Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
7.
Replace the outlet tube and
tighten the nut.
8.
Perform the Break-in Procedure.
See "Break-in Procedure" in the
Operation section.
17-ENG
D30085
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