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FUSIBLE PLUG
COMPRESSOR - TM-9-4120-398-140177
TM-9-4120-398-14 Air Conditioner 54 000 BTU/HR 208/230 Volt Three Phase 50/60 Hertz Model AH-54 NSN 4120-01-283-4096 Manual
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TM9-4120-398-14
5-22
FUSIBLE
PLUG
(cont)
(2)
Check
for
signs
of
leakage.
Leak
test
per
paragraph
5-8,
if
leak
is
suspected.
b.
Removal.
(1)
Discharge
the
refrigerant
system.
(See
Paragraph
5-5.)
(2)
While
purging
the
system
with
nitrogen
,
debraze
the
fusible
plug
(1).
(3)
Remove
fusible
plug
(1).
c.
(1)
Position
fusible
plug
(1)
in
unit.
Replace
filter,
drier.
(See
paragraph
5-21.)
(2)
(3)
Purge
the
system
with
nitrogen.
(See
paragraph
5-6.)
(4)
Leak
test
the
newly
connected
joints.
(See
paragraph
5-8.)
Evacuate
the
system.
(See
paragraph
5-9.)
(5)
(6)
Charge
the
system.
(See
paragraph
5-10.)
Close
condenser
access
door.
(7)
Figure
5-16.
Fusible
Plug
5-57