TM 9-4120-370-14
TO 35E9-229-1
5-30. CONDENSER COIL - Continued.
c.
Installation
When handling coils, wear gloves to avoid cuts and reduce damage on the coil.
(1)
Carefully slide condenser coil into unit and aline mounting holes.
Using screwdriver, secure condenser coil with thirteen screws.
(2)
While purging the system with nitrogen braze the tube joints. (See para 5-8 and para 5-9.)
(3)
(4)
Leak test all newly connected joints and those in the repair area. (See para 5-10. )
(5)
(6)
(7)
Followon procedure:
5-31. 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:
Preliminary procedure:
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 para 5-9.)
(3) Remove the part.
Installation
b.
(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) Install all covers and panels that were removed.
5-32. INSULATION, CASING
Inspection
a.
(1) Check for broken welds, badly bent or dented parts, and cracked or broken parts.
(2) Check that plate nuts and blind nuts are in place and secure.
(3) Refer repairs to general support maintenance.
(4) Check that insulation is not loose, missing, burnt, or otherwise damaged, Replace if missing or damaged.
Reglue it loose.