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TM 9-4110-257-14
5-32. 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
20, Appendix E
Tie Down Strap(s) (As Required)
24, Appendix E
Equipment Conditions:
Doors, panels, guards open/removed as necessary.
High voltage and rotating parts are used in the
refrigeration unit. Personal injury can result if
power is connected.
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)
Discharge (para 5-7) the refrigeration system.
(2)
If a flare connection was leaking, loosen flare nut and cut the damaged flare off the tubing end.
(3)
Purge (para 5-8) and de-braze (para 5-9) any fitting or tubing that was leaking or was too short to flare.
(4)
Remove any silicone RTV remaining in evaporator frame grommets.
5-62
WARNING
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