TM 9-4110-254-14
5-37. TUBING AND FITTINGS TESTING, REPAIR, AND REPLACEMENT.
This task covers:
a. Testing
b. Removal
c. Installation
INITIAL SETUP
Materials/Parts:
General Safety Instructions,
Silicone RTV
WARNING
Insulation Tape
High voltage and rotating parts are used m
the refrigeration unit. Personal injury can
Equipment Conditions:
result if power is connected.
Doors, panels, guards open/removed as necessary.
a. Testing. Leak test the tubing and fittings (para 5-10)
NOTE
Repair consists of replacing damaged or leaking tubing and/or fittings.
b. Removal.
(1)
(2)
If a flare connection was leaking, loosen flare nut and cut the damaged flare off the tubing end
(3)
Remove insulation as necessary.
(4)
Purge (para 5-8) the refrigeration system and de-braze (para 5-9) any fitting or tubing that was leaking or
was too short to flare.
(5)
Remove any silicone RTV remaining m evaporator frame grommets.
5-82