Stoelting U421/U444 ILLUSTRATIONS

ILLUSTRATIONS

Figure 1	Model U421/U444 Series Freezer .........................................	1
Figure 2a	Air-Cooled Specifications ......................................................	2
Figure 2b	Water-Cooled Specifications .................................................	2
Figure 3	Decal Locations .....................................................................	3
Figure 4	Water/Electrical Connections .................................................	4
Figure 5	Auger Rotation .......................................................................	5
Figure 6	Mix Hose Installation...............................................................	5
Figure 7	Mix Pump...............................................................................	6
Figure 8	3-way Tee ..............................................................................	7
Figure 9	Mix Inlet Tube & Probe Assy. Clip...........................................	7
Figure 10	Hose Holder...........................................................................	7
Figure 11	Operating Controls .................................................................	9
Figure 12	Auger Flight Wear & Front Auger Support Bushing Wear .......	12
Figure 13	Front Door Disassembly ........................................................	13
Figure 14	Auger Flight Removal .............................................................	13
Figure 15	Rear Seal Removal ................................................................	13
Figure 16	Rear Seal Lubrication ............................................................	14
Figure 17	SpringInstallation ...................................................................	14
Figure 18	Front Door Assembly .............................................................	15
Figure 19	Air Bleed Valves ....................................................................	16
Figure 20	Draining Sanitizer ..................................................................	16
Figure 21	Refrigerated Cabinet .............................................................	17
Figure 22	Mix Pumps .............................................................................	18
Figure 23	Removable Parts ...................................................................	19
Figure 24	Cleaning Air Tube ..................................................................	19
Figure 25	Cleaning Feed Tube ..............................................................	19
Figure 26	Mix Pump Tube Routing .........................................................	19
Figure 27	Potentiometer ........................................................................	21
Figure 28	OverrunAdjustment ................................................................	21
Figure 29	Temperature Control Cab ......................................................	22
Figure 30	Belt Adjustment ......................................................................	23