TM 9-4120-388-14
5-29. TUBING AND FITTINGS.
The refrigeration system contains a number of pieces of copper tubing in a variety of material grades, sizes, lengths, and
shapes, and a number of elbows, tees, and adapters in several sizes. Observe the following when replacing any piece
of tubing or fitting in the system:
b. Installation
This task covers:
a. Removal
INITIAL SETUP:
Equipment Condition
Remove covers and panels as necessary to have access to repair area.
Removal.
a.
(1) Discharge the refrigeration system in accordance with paragraph 5-7.
(2) Purge the system with nitrogen and debraze the tube connections. (See para 5-8 and 5-9).
(3) Remove the part.
b. Installation.
(1) Place the replacement part on the tube ends, purge the system with nitrogen, and braze the tube joints.
(3) Leak test all newly connected joints and those in the repair area. (See para 5-10.)
(4) Evacuate and charge the refrigerant system. (See para 5-11 and 5-12.)