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D. Float Switch Check and Cleaning (auxiliary codes A-2 and later) ............................... 28
1. Float Switch Check ................................................................................................. 28
2. Float Switch Cleaning ............................................................................................. 29
E. Optional Drain Pump HS-0248 .................................................................................... 30
1. Overview ................................................................................................................. 30
2. Drain Pump Check ................................................................................................. 30
3. Float Switch Cleaning ............................................................................................. 32
F. Diagnostic Charts ........................................................................................................ 33
1. Auxiliary Codes A-1 and Earlier .............................................................................. 33
2. Auxiliary Codes A-2 and Later ................................................................................ 35
V. Removal and Replacement of Components .................................................................... 37
A. Service for Refrigerant Lines ....................................................................................... 37
1. Refrigerant Recovery .............................................................................................. 37
2. Brazing ................................................................................................................... 38
3. Evacuation and Recharge (R-134a) ....................................................................... 38
B. Important Notes for Component Replacement ............................................................ 39
C. Removal and Replacement of Evaporator Assembly Components ............................. 40
1. Upper Bearing Wear Check ................................................................................... 41
2. Removal and Replacement of Extruding Head ...................................................... 42
3. Removal and Replacement of Auger ...................................................................... 43
4. Removal and Replacement of Evaporator .............................................................. 44
5. Removal and Replacement of Mechanical Seal and Lower Housing .................... 45
6. Removal and Replacement of Gear Motor ............................................................. 47
VI. Maintenance ................................................................................................................... 48
A. Maintenance Schedule ................................................................................................ 49
B. Cleaning and Sanitizing Instructions ........................................................................... 50
1. Auxiliary Codes A-1 and Earlier .............................................................................. 50
2. Auxiliary Codes A-2 and Later ................................................................................ 54
C. Storage Bin Drain ........................................................................................................ 57
D. Condenser ................................................................................................................... 58
VII. Preparing the Icemaker for Periods of Non-Use ............................................................ 59
VIII. Disposal ........................................................................................................................ 60