TM 9-4120-407-14
Figure 4-20. Liquid Sight Indicator
NOTE
FOLLOW-ON MAINTENANCE:
Install new refrigerant desiccant dehydrator. See para 4-20.
4-29. EXPANSION VALVE TESTING AND REPLACEMENT.
This task covers:
a. Testing
b. Removal
c. Installation
d. Adjustment
Service Refrigeration Unit Tool Kit
Insulation Tape (Item 16, Appendix E)
(Item 1, Appendix B)
Conditioned air filter removed. See para 3-16.
(1) Remove insulation (1) from tubing (2).
(2) Note position of sensing bulb (3) and loosen two screws (4).
(3) Carefully pull sensing bulb (3) out of clamps (5).
(4) Place sensing bulb (3) in a container of ice water.
4-65
