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PRESSURE SWITCH =
REPLACEMENT
Risk of Bursting.
Pressure loads
beyond design limits may cause
tank rupture or explosion. Pressure
switch operation
is related to motor
HP, tank rating, and safety valve
setting. Do not attempt to adjust,
remove, or defeat the pressure
switch,
or change and modify any
pressure control related device,
if
replacement
is necessary
the same
rated switch
must be used. Contact
a trained
service technician
for
replacement.
TO REPLACE
REGULATOR
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.
6.
Using an adjustable wrench, rotate
the pressure switch assembly as
shown.
Tank
P_essure
Gauge
7.
Remove the outlet pressure
gauge, tank pressure gauge, and
quick connect (if equipped) from
the regulator.
8.
Remove the regulator.
9.
Apply pipe sealant tape to the
nipple.
10. Assemble the regulator and orient
as shown in previous figure.
NOTE: Arrow indicates flow of air.
Make sure it is pointing in the direction
of air flow.
4.
Using an adjustable wrench loos-
en pressure relief tube nut at air
tank and pressure switch.
5.
Lift retaining clip from handle and
remove handle.
11. Reapply pipe sealant to outlet
pressure gauge, tank pressure
gauge, and quick connect.
12. Reassemble outlet pressure
gauge,tank pressure gauge, and
quick connect. Orient outlet pres-
sure gauge and tank pressure
gauge to read correctly. Tighten
quick connect with wrench.
13. Rotate pressure switch assembly
into correct position.
14. Replace console cover and regu-
lator ring.
15. Replace handle. Refer to "Handle
Assembly" paragraph in the
Assembly section.
N000578
22-ENG
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