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Unit cycles
automatically
when
power is on. When doing
Maintenance,
you may be exposed
to voltage sources, compressed
air
or moving parts. Personal injuries
can occur. Before performing any
Maintenance
or repair, unplug the
compressor and bleed off all air
pressure.
ALL MAINTENANCE
AND REPAIR
OPERATIONS NOT LISTED MUST
BE PERFORMED
BY TRAINED
SERVICE TECHNICIAN.
_Before
servicing:
7.
•
Unplug or disconnect electrical
supply to the air compressor.
•
Bleed tank of pressure.
8.
•
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.
Unplug air compressor.
3.
Remove the regulator ring and
remove the console cover.
4.
5.
Remove shrouds.
Using an adjustable wrench
loosen outlet tube nut at air tank
and pump. Carefully move outlet
tube up away from check valve.
6.
Using an adjustable wrench
loosen pressure relief tube nut at
air tank and pressure switch.
Carefully move pressure relief
tube away from check valve.
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.
g.
Clean or replace the check valve.
A solvent, such as paint or
varnish remover can be used to
clean the check valve.
10. Apply sealant to the check valve
threads. Reinstall the check valve
(turn clockwise).
11. Replace the pressure release
tube. Tighten nuts.
D27603
18_ENG
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