9.Make sure that all refrigerant in the charging hose is drawn into the ice machine before disconnecting the manifold gauge set.
A.Drain the water from the sump trough.
B.Run the ice machine in the freeze cycle for 5 minutes.
C.Remove the high side hose with the quick disconnect.
D.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.
E.Allow the suction pressure to reach 0 psig while the ice machine is in the freeze cycle.
F.Remove the low side hose.
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