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7.
Unscrew the check valve (turn
counterclockwise) using a 7/8"
open end wrench. NOTe the ori-
entation for reassembly.
8.
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 posi-
tion; if not the check valve needs to be
cleaned or replaced.
Screwdriver
In open
position
nothing is
visible.
In closed position
disc is visible.
9.
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 nut.
12. Replace the outlet tube and tight-
en nut.
13. Replace the shroud and air filter.
14. Perform the break-in procedure.
See Break-in Procedure in the
Operation section.
To Replace Regulator
1.
Release all air pressure from air
tank. See To Drain Tank in the
Maintenance section.
Outlet
Tube
Nut
check
Valve
Nut
Pressure
Relief Tube
17 - ENG
2.
Set the Auto/Off lever to "Off" and
unplug unit.
3.
Remove the outlet pressure gauge
and quick connect (if equipped)
from the regulator.
regulator
4.
Remove the regulator.
5.
Apply pipe sealant tape to the
nipple.
6.
Assemble the regulator and orient
as shown.
Nipple
regulator
NOTe: Arrow indicates flow of air.
Make sure it is pointing in the direction
of air flow.
regulator
Arrow
7.
Reapply pipe sealant to outlet
pressure gauge and quick con-
nect.
8.
Reassemble outlet pressure
gauge and quick connect. Orient
outlet pressure gauge to read cor-
rectly. Tighten quick connect with
wrench.
Outlet
Pressure
Gauge
Quick
Connect
N015838
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