Hoshizaki DCM-750BAH-OS, DCM-750BWH-OS service manual

E. Performance Data		34
1. DCM-750BAH(-OS)		34
2. DCM-750BWH(-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