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TM 9-4120-389-14
(8)
Remove dehydrator (See para. 5-10).
(9)
Purge the system with nitrogen (See para. 5-4).
(10)
Debraze tube connections (See para. 5-5).
(11)
Remove two screws, and flat washers and locknuts that secure the bracket to casing.
(12)
Remove bracket and valve body.
(13)
Remove two screws and lockwashers that secure the valve body to bracket.
(14)
Remove valve body.
b.
Installation. If valve body was not removed, go to step (8).
(1)
Secure valve body to bracket with two screws and flatwashers and locknuts.
(2)
Fit tube ends to valve body and align mounting hardware of bracket to through holes in
casing.
(3)
Secure bracket to casing with two screws and flat washer and locknut.
(4)
Purge the system with nitrogen (See para. 5-4).
(5)
Apply heat sink or wrap wet rags around valve body.
(6)
Braze the tube connections (See para. 5-5).
(7)
Remove heat sink (Item 28, Appendix E) or rags.
(8)
Install diaphragm in valve body.
(9)
Install o-ring in plunger assembly.
(10)
Align through holes in plunger assembly to threaded holes in valve body.
(11)
Secure plunger assembly to valve body with two screws.
(12)
Replace dehydrator (See para. 5-10).
(13)
Leak test all newly connected joints and those in the repair area (See para. 5-6).
(14)
Evacuate the system (See para. 5-7).
(15)
Charge the system (See para. 5-8).
(16)
Install coil and nameplate on valve.
(17)
Secure coil to valve with nut.
Follow-on procedure: Install top cover (See para. 4-14).
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