The refrigeration system contains a number of pieces of copper tubing in a vari-
ety 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 systems:
Remove covers and panels as necessary to have access to repair area.
(1) Discharge the refrigeration system in accordance with Paragraph 5-5.
(3) Remove the part.
(1) Replace the replacement part on the tube ends.
(3) Purge the system with nitrogen, and braze the tube joints. (See paragraph 5- 6.)
(4) Leak test all newly connected joints and those in the repair area. (See paragraph 5-8.)