TM 9-4120-399-14
Installation.
c.
(1) Install pressure regulating valve (5) into two clamps (4).
CAUTION
Screen in pressure regulator valve must be installed or damage to
components will occur. Be sure screen is installed before installing
tube ends.
(2) Assemble pressure regulating valve (5) onto tube ends.
(3) Purge the system with nitrogen (See para. 5-8).
(4) Braze the tube connections (See para. 5-9).
(5) Install two screws (1), two lock washers (2), and two nuts (3) in two clamps (4).
(6) Replace the filter/dryer dehydrator (See para. 5-15).
(7) Leak test all newly connected joints and those in the repair area (See para. 5-10).
(8) Evacuated the system (See para. 5-11).
(9) Charge the system (See para. 5-12).
(10) Install front panel (See para. 4-20).
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