TM 9-4110-256-14
5-34. EXPANSION VALVE REPLACEMENT .
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
Refrigeration system discharged (para 5-8).
Defrost temperature switch removed (para 4-32).
a. Removal.
(1) Slip expansion valve sensing bulb (1) out from under two clamps (2).
(2) Loosen three flare nuts (3) and remove expansion valve (4).
Figure 5-30. Expansion Valve.
b. Installation.
(1) Install expansion valve (4) and tighten three flare nuts (3).
(2) Slip expansion valve sensing bulb (1) under two clamps (2).
NOTE
FOLLOW-ON MAINTENANCE:
Install defrost temperature switch (para 4-32).
Replace dehydrator (para 5-15).
Leak check (para 5-11), evacuate (para 5-12), and charge (para 5-13) the refrigeration system.
5-63
