Hoshizaki 73180 service manual

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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

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Contents 100BAF-DS 100BAF-AD 100BAF-ADDS Hoshizaki AMERICA, INC Contents Page Important Safety Information Page Specifications 100BAF Auxiliary Codes A-1 and EarlierAuxiliary Codes A-2 and Later 100BAF-DS 100BAF-DS, 2. Auxiliary Codes A-2 and Later 100BAF-AD 100BAF-AD, 2. Auxiliary Codes A-2 and Later 100BAF-ADDS 100BAF-ADDS, 2. Auxiliary Codes A-2 and Later II. General Information Construction FrontAuxiliary Codes Rear Auxiliary CodesIcemaking Unit Sequence of Operation Freeze CycleFill Cycle Auxiliary Codes A-1 and Earlier Auxiliary Codes A-2 and Later Wiring Diagram Auxiliary Codes A-2 and LaterIcemaker with Optional Drain Pump HS-0248 Performance Data 100BAF SeriesDiagnostic Procedure IV. Service DiagnosisIce Production Check Page Auxiliary Codes A-2 and Later Bin Control Check Float Switch Check Float Switch Cleaning Lower Float white Plastic Retainer ClipOverview Optional Drain Pump HS-0248Drain Pump Check Priming Instructions Float Switch Cleaning Diagnostic Charts No Ice Production Possible Cause StartupShutdown Fill Cycle and Refill Cycle Shutdown Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery Brazing Evacuation and Recharge R-134aImportant Notes for Component Replacement ComponentRemoval and Replacement of Evaporator Assembly Components Upper Bearing Wear Check Removal and Replacement of Extruding Head Removal and Replacement of Auger Removal and Replacement of Evaporator Page 5b. Lower Housing Page VI. Maintenance Maintenance Schedule Frequency Area TaskCleaning and Sanitizing Instructions Cleaning SolutionPage Sanitizing Solution Page Cleaning Solution Page Sanitizing Solution Storage Bin Drain Condenser VII. Preparing the Icemaker for Periods of Non-Use Auxiliary Codes A-1 and Earlier Skip to stepVIII. Disposal