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TM 55-1905-220-14-11
5-147. REFRIGERATOR/FREEZER - MAINTENANCE INSTRUCTIONS (Continued).
REPLACE (Cont)
14. Valves.
(a) Close liquid service valve, run compressor and pump refrigerant into receiver tank until zero (0) lbs pressure
reading is obtained on low side pressure gauge, then close suction service valve.
(b) Disconnect valve feeler bulb from clamp on suction line.
(c) Disconnect valve from inlet and outlet fittings. Remove valve.
(d) Install new valve, reconnect flare fittings and feeler bulb to suction line. Recharge system and check for
leaks.
5-1535
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