Manitowoc UG Series, Technician'S Handbook

Page: 86 / 128

86 Part Number: 040006847 12/19
NOTE: Manifold gauge set must be removed properly to
ensure no refrigerant contamination or loss occurs.
18. Verify all of the vapor in the charging hoses is drawn
into the refrigeration system before disconnecting the
charging hoses.
A. Run the ice machine in freeze cycle.
B. Remove the high side low loss fitting.
C. Open the high and low side valves on the
manifold gauge set. Any refrigerant in the lines
will be pulled into the low side of the system.
D. Allow the suction pressures in the refrigeration
system and the manifold gauge set to equalize
while the ice machine is in the freeze cycle.
E. Isolate and remove the low side hose.
19. Use a pinch-off tool on the access fitting and remove
temporary access valves and seal the refrigeration
system.