TM 9-4120-388-14
5-22. LIQUID SIGHT INDICATOR (SIGHT GLASS) - Continued.
(3) Remove liquid sight indicator.
c. Installation.
NOTE
Do not disassemble Iiquid sight indicator.
(1)
Position Iiquid sight indicator on tubing.
(2)
While purging the system with nitrogen, braze the tubing joints. (See para 5-8 and 5-9.)
(3)
(4)
Leak test all newly connected joints and those in the repair area. (See para 5-10.)
Evacuate and charge the refrigerant system. (See para 5-11 and 5-12.)
(5)
(6)