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 TM5-4120-384-14
5-33.
COMPRESSOR.-Continued
(4) Compressor. (See
Two
people
are
required
for
compressor removal.
(a) Assuming that power has been disconnected at power
source and that covers and connector P10 have been removed during
access and testing proceed as follows:
(b) Discharge
and
purge
refrigerant
system
per
and 5-12.
(c) Debraze tube
connections
to
compressor
in
accordance
with
(d) Lift or tilt
air
conditioner
to
gain
access
to
underside of housing.
(e)
Remove
four
sets
of
compressor
attaching
hardware.
If compressor is being removed due to burnout, use
care when lifting to avoid touching compressor
Acid in sludge can cause burns.
sludge.
(f)
Carefully
lift
compressor
from
unit.
(g) Check compressor, using
the
following
procedure,
to
see
if
a
motor burnout is indicated.
After removal of a bad compressor from refrigeration
system, remove all external tubing and tip
compressor toward discharge port to drain a small
quantity of oil into a clear glass container.
If oil is clean and clear, and does not have a burnt
acid smell, the compressor did not fail because of
If a burnout is not indicated
motor burnout.
proceed to c (Installation).
If oil is black, contains sludge, and has a burnt
acid odor, the compressor failed because of motor
burnout.
5-77
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