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AH maintenance
and repair
operations
not misted 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 unpmug or
disconnect
e[ectr}cam supply to
the air compressor,
bleed tank
of pressure,
and allow the air
compressor
to cool
To Replace
or Clean
Check
Valve
1.
Release a!I 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,
Check
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 freety 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.
Screwdriver
In open
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.
4.
Loosen the nut on the outlet tube
and move the outlet tube to the
side.
A09705
16-ENG
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