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Page Title:
LIQUID INDICATOR (SIGHT GLASS). |
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 TM5-4120-383-14
LIQUID INDICATOR (SIGHT GLASS).
The Liquid Indicator (sight glass) is located in the rear
(compressor/condenser) compartment. It can be seen on the left
rear outside face of the unit.
Removal.
(See fig. 5-20.)
a.
(1) Disconnect power at power source.
(2) Remove top rear cover (para 4-11).
(3) Discharge and purge the refrigeration system per
paragraphs 5-11 and 5-12.
(4) Remove screws, lock washers, and mounting plate.
(5) Debraze joints and remove liquid indicator.
b.
Replace.
Replace liquid indicator if suspected bad.
Installation.
c.
(1) Place liquid indicator in unit and align tubing ends.
(2) Protect liquid indicator from overheating during brazing
operations. Direct flame away from liquid indicator body and wrap
liquid indicator body with wet rags.
(3) Braze joints in accordance with paragraph 5-13.
(4) Secure liquid indicator with screws, lock washers, and
mounting plate.
(5) Replace dehydrator. (See para 5-30.)
(6) Leak test all newly connected joints and all tube
connections in the area.
(7) Install top rear cover (para 4-11).
(8) Evacuate and charge the refrigeration system in
accordance with paragraphs 5-15 and 5-16.
5-71
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