TM 9-4120-388-14
5-22. LIQUID SIGHT INDICATOR (SIGHT GLASS).
b. Removal
a. Inspection
This task covers:
c. Installation
INITIAL SETUP:
Equipment Condition
Rear panel removed (4-31).
Inspection.
a.
(1) Be sure that glass window is clean and not cracked or broken. Clean if dirty. Replace liquid sight indicator
if cracked or broken.
(2) Check for evidence of leakage. Leak test if leak is suspected. (See para 5-10.) Repair or replace as
indicated.
b. Removal.
NOTE
It is necessary to remove sight glass bracket to remove rear panel.
(2) While purging the system with nitrogen, debraze the tubing. (See para 5-8 and 5-9.)
5-54