GEM Models A/W R&R-Evaporator Page 30
To Replace the Evaporator:
(Assuming all steps for removal of the thrust bearing, breaker, auger and water seal have been performed).
1. Recover the refrigerant from the ice
machine.
2. Unsweat the refrigerant connections:
a. At the thermostatic expansion valve
outlet.
Evaporator
Auger
Ice Chute
Ice Swee
p
b. At the suction line at the joint about
three (3) inches 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 a new drier in the liquid line.
7. Evacuate the system until dehydrated,
then weigh in the nameplate charge.
Check for leaks.
8. Install auger, breaker, breaker bearing
assembly and ice discharge chute in
reverse order of disassembly.
To Reassemble the Evaporator and
Auger:
1. After the gear motor has been
inspected, fasten the evaporator to
the gear motor. 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 the
auger into the evaporator.
3. Complete the reassembly by reversing
the disassembly for the breaker and
thrust bearing. Breaker/Divider
Caution: Heat sink the TXV body when unsweating
or resweating the adjacent tubing.