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 TM 9-4120-430-14
0061 00
WARNING
Ensure power source is disconnected.
WARNING
heated by flame or hot surfaces creates phosgene gas, a highly toxic gas.
Do not let refrigerant touch you or inhale refrigerant gas. Be especially
careful to prevent refrigerant from coming in contact with your eyes. Use an
air-filtering mask. In case of refrigerant leaks, ventilate area at once.
Follow general debrazing instructions given in WP 0046 00. Provide a flow
of dry nitrogen through the refrigeration system while debrazing
connections.
REMOVAL
1.
Remove six screws (1) and lockwashers (2) securing evaporator coil (3) to housing.
2.
Debraze tubing from evaporator coil and expansion valve subassembly. See debrazing joints (4 and 5).
3.
Remove the hot gas and suction block off plates from the inner housing bulkhead.
4.
Carefully lift the evaporator coil and expansion valve subassembly from the air conditioner.
5.
Debraze the distributor (6) from the expansion valve (7) (see WP 0046 00).
6.
Remove insulation to release sensor bulb (9) from suction return line (8).
7.
Debraze suction return line (8) from evaporator coil (3) (see WP 0046 00).
8.
Remove filter-drier (WP 0051 00).
INSPECTION
Inspect the evaporator coil for bent or torn fins and for damaged connections.
0061 00-2
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