Scotsman CME1000A User Manual page 24

Scotsman cme1000a ice machine: user guide
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CME855A & CME1000A
REMOVAL AND REPLACEMENT
Water Pump
1. Remove front panel.
2. Remove evaporator cover.
3. Unplug water pump electrical connection.
4. Remove thumb screw retaining pump to cross
brace.
5. Pull pump partially out of reservoir and remove
discharge hose.
ELECTRICAL
CONNECTION
DISCHARGE
HOSE
PUMP
REMOVAL OF THE WATER PUMP
6. Reverse to reassemble.
7. Replace all panels.
8. Reconnect electrical power.
Disconnect electrical
power before beginning.
December, 1994
Hot Gas Valve
1. Remove the side service panel, and top panel if
possible.
2. Discharge and recover the refrigerant from the
system.
3. Remove the electrical connections from the coil
of the valve
4. Cut out or unsweat the valve at the tubing
connections, remove the valve from the ice maker.
5. Install the new valve, wrap it in wet cloths or
other efficient heat sink material.
6. Sweat the tubing connections to the valve.
7. Connect the electrical wires to the terminals of
the valve coil.
8. Weigh in the nameplate charge.
9. Replace all panels removed for service.
10. Reconnect electrical power.
Thermostatic Expansion Valve
1. Remove the side service panel, and top panel if
possible.
2. Discharge and recover the refrigerant from the
system.
3. Locate the TXV sensing bulb on the suction line,
unwrap the insulation and remove the bulb from
the clamp.
4. Cut out or unsweat the old TXV from the tubing
connections.
5. Wrap the new TXV body in wet cloths or other
efficient heat sink material.
6. Sweat in the new valve. Do not overheat.
7. Re-attach the TXV bulb to the suction line in the
same place as the original. Be certain to
re-insulate.
8. Install a new HFC type drier.
9. Evacuate to at least 200 microns.
10. Weigh in the nameplate charge.
11. Replace all panels removed for service.
12. Reconnect electrical power, and restart
machine.
Page 24

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