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 TM 55-1905-220-14-11
5-148. MILK DISPENSER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
SERVICE (Cont)
b. Evacuate and recharge. Any time the refrigeration system is opened, evacuation or purging and recharging of
the system is required to remove air and noncondensable gases. Purge and recharge system as follows:
(1) Connect dispenser to source of refrigerant as shown below except dry nitrogen supply is not used. Heat
discharge line connection and pull discharge line from compressor. Plug compressor discharge port.
Do not reuse refrigerant used in purging operation.
(2) Open regulating valve to permit flow of refrigerant through system.
NOTE: BOOST LEAKAGE PRESSURE TO
150 PSIG ON LOW SIDE
250 PSIG ON HIGH SIDE
5-1554
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