Quantcast Figure 4-32. Evaporator Coil Repair 4120-01-069-1321)">

 

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Figure 4-31. Evaporator Coil and Tubing Removal/Installation
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TM-5-4120-359-14 Air Conditioner Split Package 18 000 BTU/HR Cooling 30 000 BTU/HR Heating 208 Volt 3 Phase 400 Hertz Manual
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EVAPORATOR COIL (Continued)
TM 5-4120-359-14
WARNING
REFRIGERANT UNDER PRESSURE
is used in the operation of this equipment
DEATH
or severe injury may result if you fail to observe safety precautions.
Never use a heating torch on any part that contains Refrigerant 22.
Do not let liquid refrigerant touch you, and do not inhale refrigerant gas.
b. Disassembly
(1) Be sure refrigerant has been discharged. (See paragraph 4-5.)
(2) Tubing should be nitrogen purged during all brazing/debrazing operations. (See paragraph 4-6.)
(3) Unwrap insulation (black cork tape) from joints that are to be debrazed.
(4) Wrap wet rags around expansion valve body and distributor tubes.
(5) Using torch debraze and separate the distributor from the expansion valve. See paragraph 4-7.
(6) Note position of elbow on suction header.
(7) Wrap wet rags around suction header on evaporator coil, just above the elbow.
(8) Using torch, debraze and separate the elbow from the evaporator coil header. See paragraph 4-7.
Figure 4-32. Evaporator Coil Repair
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