4
E. Performance Data .......................................................................................................34
. DCM-750BAH(-OS) ............................................................................................... 34
. DCM-750BWH(-OS) .............................................................................................. 35
IV. Service Diagnosis ..........................................................................................................36
A. Diagnostic Procedure .................................................................................................36
B. Ice Production Check ..................................................................................................37
C. Diagnostic Charts .......................................................................................................38
. No Ice Production ..................................................................................................38
. Low Ice Production ................................................................................................4
3. Other .....................................................................................................................4
4. Dispensing .............................................................................................................43
5. Opti Serve (OS) Sensors .......................................................................................44
V. Removal and Replacement of Components ...................................................................46
A. Service for Refrigerant Lines ......................................................................................46
. Refrigerant Recovery ............................................................................................46
. 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
. Upper Bearing Wear Check .................................................................................5
. Removal and Replacement of Extruding Head .....................................................5
3. Removal and Replacement of Auger ....................................................................5
4. Removal and Replacement of Evaporator ............................................................5
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 .....................................................6
. Dispensing Auger and Agitator ..............................................................................6
. Dispensing or Agitating Motor ...............................................................................6
VI. Cleaning and Maintenance ............................................................................................63
A. Cleaning and Sanitizing Instructions ...........................................................................63
. Water System ........................................................................................................64
a) Cleaning Solution ...............................................................................................64
b) Cleaning Procedure ............................................................................................64
c) Sanitizing Solution ..............................................................................................65
d) Sanitizing Procedure - Following Cleaning Procedure ......................................65
. 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