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Page Title:
EVACUATING TEE REFRIGERANT SYSTEM. |
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 TM5-4120-384-14
EVACUATING TEE REFRIGERANT SYSTEM.
5-15.
The refrigeration system must be evacuated
to remove all moisture
before it is charged with Refrigerant-22.
(See fig. 5-6.)
Figure
5-6.
Evacuation of Refrigerant System
a.
Check that system was leak tested and has NO LEAKS.
b.
Check that new
was
installed.
If
not,
install
one.
(See para 5-31.)
c.
Check
that
both
charging
valves
and
charging
manifold
valves
are closed.
d.
Attach hose
assemblies
to
charging
valves
and
charging
manifold valves.
e.
Attach
center
hose
assembly
to
vacuum
pump.
5-33
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