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 TM 55-1905-223-24-18-1
h.
If compressor (3) is not operational, perform the following:
(1) Open both gauge manifold handwheels to permit refrigerant to migrate
(bleed) down to storage container.
(2) Open the storage container valve.
NOTE
Ensure the suction and discharge service valves
are open.
WARNING
DO NOT OVERFILL CONTAINER. Use additional
containers as necessary. Weigh containers to
determine capacity.
NOTE
After majority of refrigerant charge is
transferred and pressures on gauge manifold are
low, efficeint transfer of remainder refrigerant
is not possible.
(3) Shut R-12 storage container valve and remove hoseline to storage container
to vent remaining refrigerant to the atmosphere.
Open (sweat off) the system copper tubing lines at the suction service valve
i.
f i t t i n g and at the discharge service valve fitting.
Tag and disconnect electrical wiring at control panel (4).
j.
Lower front of condenser unit and base (1) and pull unit forward the
k.
remaining distance to remove unit from cabinet.
REPLACEMENT
Install condenser unit and base (1) in cabinet by raising rear of unit enough
a.
to clear center retaining bolt frame component.
Slide condensor unit and base into cabinet minimum distance to permit access
b.
for system hookup.
Sweat on suction and discharge (high pressure) copper lines at respective
c.
s e r v i c e valve fittings.
Attach gauge manifold hoselines to respective service valves connections.
d.
Shut both gauge manifold handwheels.
2-332
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