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Page Title:
PRESSURE REGULATOR. |
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 TM5-4120-384-14
5-24.
VALVES.-Continued
(3) Secure valve
body
to
housing
with
hardware
and
brackets
shown on figure 5-12.
(4) Reassemble internal components in the
valve body and
install the tube and plunger assembly, and two
attaching screws.
(5) Install coil and connector
assembly,
data
plate,
and
attaching nut on valve body.
(6)
Connect
connector
plug.
(7)
Replace
(See
(8) Leak test all newly
connected
joints
and
all
tube
connections in the area.
(9) Secure wires to existing
harnesses
with
new
plastic
tie
down straps or lacing cord.
(10) (Models F18H-3S and F18H-1S) Install three top covers
(Models F18H-3SA and F18H-3SB) Install top cover
(11) Evacuate and charge the
refrigerant
system
in
accordance
with paragraphs 5-15 and 5-16.
5 - 2 5 . PRESSURE REGULATOR.
The pressure regulators are located in the rear (compressor,
The pressure regulators are factory set
at
condenser) compartment.
68 psig and sealed so that they are not field adjustable.
a.
Removal.
(See
(1)
Disconnect
power
at
power
source.
(2) (Models F18H-3S and F18H-1S) Remove all three top covers
(Models F18H-3SA and F18H-3SB) Remove top cover (para
(3) Discharge
and
purge
refrigeration
system
per
5-11 and 5-12.
lock washer, clamp, and post spacer.
(4)
Remove
screw,
(5) Debraze
two
tube
connections
and
remove
pressure
regulator.
Replace.
If
a
pressure
regulator
is
suspected
bad
replace
it.
b.
5-55
Change 2
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