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17- ENG
A08598
4. Unscrew the check valve (turn
counterclockwise) using a socket
wrench.
5. 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.
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.
SERVICE AND ADJUSTMENTS
ALL MAINTENANCE AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED BY TRAINED
SERVICE TECHNICIAN.
In closed position
disc is visible.
In open
position
nothing is
visible.
Screwdriver
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
Check
Valve
Nut
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.