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TM 55-1905-220-14-11
5-148. MILK DISPENSER - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
SERVICE (Cont)
(5) Allow refrigeration system to bleed off before replacing defective tubing or component. Use tube cutter to
cut tube on each side of leaking area. When possible, utilize coupling in replacing defective tubing or component. If this
is not possible, cut new tube slightly longer than removed tube to allow for swedging ends. Swedge both ends of tube.
Install tube in refrigeration system. Braze tubing connections with brazing rod (United Wire and Supply Company,
Phoson No. 6, or equivalent).
NOTE: BOOST LEAKAGE PRESSURE TO
150 PSIG ON LOW SIDE
250 PSIG ON HIGH SIDE
(6) Perform leakage test on new connections per steps (3 and (4).
(7) Replace dryer. (Refer to step 2).
(8) Evacuate and recharge refrigeration system.
(9) Pinch tube between quick coupler or hermetic port valve and compressor. Remove coupler or valve. Cut
process tube when valve is used. In either case solder end of tube closed.
5-1553


 


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