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TM5-4120-376-14
5-23. EVAPORATOR, CONDENSER COILS AND RELATED PARTS/Replace (Cont)
LOCATION/ITEM
Replace:
1. Drill out damaged blind rivnut.
2. Install blind rivnut.
EVAPORATOR
Installation:
COIL
WARNING
Avoid contact with refrigerant acid. Burns could result from contact with
refrigerant.
WARNING
Refrigerant R-22 is contained in the refrigerant system under high pressure.
Extreme care must be exercised to prevent refrigerant from coming in contact
with exposed skin and eyes. Provide adequate ventilation when discharging the
system in a confined area. All refrigerant gas must be discharged from system
before performing any removal procedures of refrigerant components.
CAUTION
Maintain a 1-2 cpm (0.1-0.2 M³ Min) flow of dry nitrogen through the
refrigeration system to prevent oxidation and scaling when brazing or debrazing
components.
1. Align evaporator coil (9) with housing and secure evaporator coil to housing with six
screws (7) and eight lock washers (8).
2.
3.
5-10
4.
Braze in accordance with paragraph 5-10, page 5-12.
Test, evacuate and charge system in accordance with paragraphs 5-8 through 5-14, page
through 5-19.
Install expansion valve in accordance with paragraph 5-19, page 5-40.
5-81
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