TM 9-4120-407-14
(1) Install two grommets (11).
(2) Carefully install evaporator coil (3) and 12 screws (10).
(3) Wrap expansion valve (9) with wet rags to prevent damage from high heat. Braze tubing (5).
(4) Carefully push sensing bulb (7) into clamps (8) in position noted during removal. Tighten two
screws (6).
(5) Attach insulation (4) onto tubing (5). Wrap with insulation tape as necessary to seal.
(6) Carefully position bracket (2) in place and align mounting holes. Install two new rivets (1).
NOTE
FOLLOW-ON MAINTENANCE:
Install new refrigerant desiccant dehydrator. See para 4-20.
d. Installation
b. Repair
c. Removal
a. Testing
This task covers:
Service Refrigeration Unit Tool Kit
Two
(1) Thermostatic Switch.
NOTE
The thermostatic switch actuates (opens) at 70 + 8 F (21 + 5 C) and
resets (closes) at 50 + 5 F (10 + 3 C).
(b) Maintain the temperature at the thermostatic switch (2) to any point above 78 F (26 C).
4-71