Vollrath Stoelting O431, Service Manual

Page: 6 / 75

Section Description Page
3.9 Initial Freeze Down and Operation ............................................................. 16
A. Adding Mix ...........................................................................................................16
B. Preparing the IntelliTec Control ............................................................................16
C. Initial Freeze Down ..............................................................................................16
D. Adjusting the IntelliTec Control .............................................................................16
E. Serving Product....................................................................................................17
3.10 Normal Freeze Down and Operation .......................................................... 17
3.11 Mix Information ........................................................................................... 17
3.12 Operation of Mix Pump ............................................................................... 18
3.13 Mix Pump Cleaning .................................................................................... 18
3.14 Disassembly and Inspection of Removable Parts ...................................... 19
4 Maintenance and Adjustments
4.1 Machine Adjustment ................................................................................... 21
4.2 Product Consistency Adjustment ................................................................ 21
4.3 Locking the Control Panel .......................................................................... 21
4.4 Obtaining Readings and Modifying Settings (Service Personnel Only) ...... 21
4.5 Readings (Service Personnel Only) ........................................................... 22
4.6 Adjustments (Service Personnel Only) ....................................................... 23
4.7 Other Settings (Service Personnel Only) .................................................... 23
4.8 Overrun Adjustment .................................................................................... 24
4.9 Mix Pump Hose Reposition ........................................................................ 25
4.10 Mix Pump Hose Replacement .................................................................... 25
4.11 Cab Temperature Adjustment ..................................................................... 26
4.12 Drive Belt Tension Adjustment .................................................................... 26
4.13 Condenser Cleaning (Air-Cooled Machines) .............................................. 27
4.14 Preventative Maintenance .......................................................................... 27
4.15 Extended Storage ....................................................................................... 27
5 Refrigeration System
5.1 Refrigeration System .................................................................................. 29
5.2 Refrigerant Recovery and Evacuation ........................................................ 29
A. Refrigerant Recovery ...........................................................................................30
B. Evacuating the Refrigeration System ...................................................................30
5.3 Refrigerant Charging .................................................................................. 30
5.4 Compressor ................................................................................................ 31
5.5 Condenser .................................................................................................. 32
5.6 Evaporator .................................................................................................. 32