TM 9-4110-255-14
5-19. PRESSURE GAGE REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Materials/Parts:
Equipment Conditions:
Self Locking Nuts (3)
Refrigeration system discharged (para 5-10).
6, Appendix G
Left side door open.
Anti-Seize Tape
27, Appendix E
Silicone RTV
1, Appendix E
a. Removal.
(1) Loosen flare nut (1) and move copper tubing(2) over to one side being careful not to bend or kink tubing.
(2) Remove coupling (3).
(3) Remove three self locking nuts (4), bolts (5) and pressure gage (6). Discard self locking nuts.
b. Installation.
(1) Wrap anti-seize tape around pressure gage (6) connector threads.
(2) Install pressure gage (6), three bolts (5), and new self locking nuts (4).
(3) Install coupling (3).
(4) Aline copper tubing (2) and connect flare nut (1) to coupling (3).
(5) Seal any openings in back of pressure gage (6)case with silicone RTV.
5-36
