TM 9-4120-385-14
c. REPAIR.
1. Repair leaks.
2. Straighten bent fins
3. Repair or replace damaged tubing.
4. Replace coil, if repair is impractical.
d. INSTALLATION.
Nitrogen purge. Refer to Paragraph 5-6.
1.
Braze tubing previously removed with evaporator coil. Refer to Paragraph 5-2.
2.
Place evaporator coil in casing.
3.
Connect tubing to evaporator coil by brazing. Refer to Paragraph 5-2.
4.
Align evaporator coil with holes in casing.
5.
Install mist eliminator.
6.
Replace dehydrator. Refer to Paragraph 5-22.
7.
Leak test the refrigeration system. Refer to Paragraph 5-3.
8.
Evacuate the system. Refer to Paragraph 5-7.
9.
10. Charge the system with refrigerant. Refer to Paragraph 5-8.
11. Install discharge grille and secure with four screws, lockwashers, and flat
washers.
12. Install top panel and secure with eleven screws and rain seal washers.
5-13. CONDENSER COIL
a. TESTING.
WARNING
High voltage can kill.
1. Disconnect power supply.
2. Remove 16 screws and rain seal washers, and canvas cover.
5-48