TM 9-4120-399-14
d. Installation.
(1) If valve body (8) was not removed, go to step (9).
(2) Secure valve body (8) to bracket (13) with two screws (14) and two lock washers
(15).
(3) Fit tube ends to valve body (8) and align mounting hardware of bracket (13) to
through holes in casing.
(4) Secure bracket (13) to casing with four screws (11) and four lock nuts (12).
(5) Purge the system with nitrogen (See para. 5-8).
(6) Apply heat sink (Appendix E, item 21) or wrap wet rags around valve body.
(7) Braze the tube connections (See para. 5-9).
(8) Remove heat sink or rags.
(9) Install diaphragm (9) in valve body (8). Be sure pin on diaphragm points toward
coil (4).
(10)
Install O-ring (10) in plunger assembly (7).
(11)
Align through holes in plunger assembly (7) to threaded holes in valve body (8).
(12)
Secure plunger assembly (7) to valve body (8) with two screws (6).
Install coil (4) and nameplate (3) on valve (5).
(13)
(14)
Secure coil (4) to valve (5) with nut (l).
(15)
Replace filter/dryer dehydrator (See para. 5-15).
(16)
Leak test all newly connected joints and those in the repair area (See para. 5-10).
Evacuate the system (See para. 5-11).
(17)
(18)
Charge the system (See pare. 5-12).
(19)
Install front panel (See para. 4-20).
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