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Page Title:
LIQUID SIGHT INDICATOR MAINTENANCE - continued |
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 TM 9-4120-430-14
0058 00
WARNING
Ensure power source is disconnected.
Ensure system is discharged of refrigerant.
REMOVAL
1.
Remove two screws (1), washers (2) and mounting bracket (3) to release the liquid sight indicator (4) from rear of
housing. See figure 1.
2.
With a steady flow of dry nitrogen through refrigeration system, debraze liquid sight indicator (4) from condenser
coil and attached tubing (see WP 0045 00 and WP 0046 00).
3.
Remove liquid sight indicator (4) from unit housing.
INSTALLATION
1.
With a steady flow of dry nitrogen through refrigeration system, braze liquid sight indicator onto condenser coil and
tubing (see WP 0045 00 and WP 0046 00).
2.
Secure the liquid sight indicator (4) to rear of unit housing with mounting bracket (3), washer (2), and two screws
(1).
3.
Install filter-drier (see WP 0051 00).
4.
Leak test refrigeration system (see WP 0047 00).
5.
Evacuate refrigerant system (see WP 0048 00).
6.
Charge refrigerant system (see WP 0049 00).
7.
Install top cover (see WP 0018 00).
0058 00-2
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