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E. Performance Data ....................................................................................................... 34
1. DCM-500BAH(-OS) ................................................................................................ 34
2. DCM-500BWH(-OS) .............................................................................................. 35
IV. Service Diagnosis ........................................................................................................... 36
A. Diagnostic Procedure .................................................................................................. 36
B. Ice Production Check .................................................................................................. 37
C. Diagnostic Charts ....................................................................................................... 38
1. No Ice Production ................................................................................................... 38
2. Low Ice Production ................................................................................................ 41
3. Other ...................................................................................................................... 42
4. Dispensing ............................................................................................................. 43
5. Opti Serve (OS) Sensors ....................................................................................... 44
V. Removal and Replacement of Components .................................................................... 46
A. Service for Refrigerant Lines ....................................................................................... 46
1. Refrigerant Recovery ............................................................................................. 46
2. Brazing .................................................................................................................. 46
3. Evacuation and Recharge (R-404A) ...................................................................... 47
B. Removal and Replacement of Compressor ................................................................. 48
C. Removal and Replacement of Expansion Valve .......................................................... 49
D. Removal and Replacement of Evaporator Assembly Components ............................. 50
1. Upper Bearing Wear Check .................................................................................. 51
2. Removal and Replacement of Extruding Head ...................................................... 51
3. Removal and Replacement of Auger ..................................................................... 52
4. Removal and Replacement of Evaporator ............................................................. 52
5. Removal and Replacement of Mechanical Seal and Lower Housing ................... 54
6. Removal and Replacement of Gear Motor ............................................................ 55
E. Removal and Replacement of Self-Contained Air-Cooled Condenser ........................ 56
F. Removal and Replacement of Water-Cooled Condenser ............................................. 57
G. Removal and Replacement of Water Regulating Valve - Water-Cooled Model Only ... 58
H. Adjustment of Water Regulating Valve - Water-Cooled Model Only ............................. 59
I. Removal and Replacement of Fan Motor ..................................................................... 59
J. Removal and Replacement of Inlet or Dispensing Water Valve ................................... 60
K. Removal and Replacement of Drain Valve .................................................................. 60
L. Removal and Replacement of Dispensing System ...................................................... 61
1. Dispensing Auger and Agitator ............................................................................... 61
2. Dispensing or Agitating Motor ................................................................................ 61
VI. Cleaning and Maintenance ............................................................................................. 63
A. Cleaning and Sanitizing Instructions ........................................................................... 63
1. Water System ......................................................................................................... 64
a) Cleaning Solution ............................................................................................... 64
b) Cleaning Procedure ............................................................................................ 64
c) Sanitizing Solution .............................................................................................. 65
d) Sanitizing Procedure - Following Cleaning Procedure ....................................... 65
2. Dispensing Components ....................................................................................... 65
a) Cleaning Solution ............................................................................................... 65
b) Sanitizing Solution .............................................................................................. 65
c) Cleaning and Sanitizing Procedure ..................................................................... 65
B. Maintenance ................................................................................................................ 67
C. Preparing the Icemaker for Long Storage ................................................................... 68