Repair Procedures: Replace The Evaporator - Scotsman Prodigy Plus A Series Service Manual

FS2330L
Remote Low Side Service Manual

Repair Procedures: Replace the Evaporator

(Assuming all the steps for removal of the bearings,
extruder, auger, and water seal have been
performed.)
1. Recover the refrigerant from the ice maker.
2. Unsweat the refrigerant connections:
a) At the thermostatic expansion valve outlet.
Heat sink the TXV body when unsweating or
resweating the adjacent tubing.
b) At the suction line at the joint about 3" from the
evaporator.
3. Remove the evaporator.
4. Unsweat the drier from the liquid line.
5. After installing a new water seal in the new
evaporator (see "To Replace the Water Seal") sweat
in the new evaporator at the old tubing connections.
6. Install an new drier in the liquid line.
7. Evacuate the system until dehydrated, then weigh
in the nameplate charge. Check for leaks.
8. Install auger, extruder, extruder bearing assembly,
and ice discharge chute in reverse order of
disassembly.
To Reassemble the Evaporator and Auger
1. After the gear reducer has been inspected, fasten
the evaporator to the gear reducer. Torque the bolts to
110 inch pounds.
2. Lower the auger into the evaporator barrel, slightly
turning it to match up with the drive end. Do Not Drop
Into the Evaporator.
3. Complete the reassembly by reversing the
disassembly for the extruder & bearing assembly.
December 2022
Page 29