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TM5-4120-387-14
a.
Inspection
(1) Check 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 per paragraph 5-9 if leak is
suspected.
Repair or replace as indicated.
Figure 5-21. Liquid Sight Indicator (Sight Glass)
b.
Removal
(1) Discharge the refrigerant system per paragraph 5-6.
(2) Remove the charging valves. (See para 5-19.)
(3) With screwdriver, remove two screws and washers in indicator bracket.
5-56
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