4
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