TM 9-4120-407-14
Figure 4-21. Expansion Valve
(1) Disassemble new expansion valve (6) prior to brazing by remove two screws (11), spacers (12),
body (13), gasket (14), cage assembly (15), gasket (16), seat (17), and base (18).
(2) Install base onto tubing (8) and (9) then braze tubing. See paragraph 4-14.
(3) Assemble expansion valve (6) by installing seat (17), gasket (16), cage assembly (15), gasket (14),
body (13), spacers (12), and two screws (11), onto base (18).
(4) Connect tube coupling (10).
(7) Carefully push sensing bulb (3) into clamps (5) in position noted during removal and tighten two
screws (4).
(8) Wrap insulation (1) and (7) onto tubing (2) and (8) and secure with insulation tape to seal it.
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