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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.
Unplug air compressor.
3.
Using an adjustable wrench loosen
outlet tube nut at air tank and pump.
Carefully move outlet tube up away
from check valve.
4.
Using an adjustable wrench loosen
pressure relief tube nut at air tank.
Carefully move pressure relief tube
away from 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.
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 nut.
10. Replace the outlet tube and tighten nuts.
SERVICE AND ADjUSTMENTS
Relief Tube
Nut
In open
position
nothing is
visible.
15 - eNG
Pressure
Nut
Outlet
Nut
Tube
Screwdriver
In closed position
disc is visible.
Check
Valve
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