Vollrath STOELTING O431 I2 Operator's Manual
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Vollrath STOELTING O431 I2 Operator's Manual

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Model O431I2
OPERATORS MANUAL
Manual No.
513669
Rev.0

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Summary of Contents for Vollrath STOELTING O431 I2

  • Page 1 Model O431I2 OPERATORS MANUAL Manual No. 513669 Rev.0...
  • Page 3 This manual provides basic information about the machine. Instructions and suggestions are given covering its operation and care. The illustrations and specifi cations are not binding in detail. We reserve the right to make changes to the machine without notice, and without incurring any obligation to modify or pro- vide new parts for machines built prior to date of change.
  • Page 4 A Few Words About Safety Safety Information Safety Alert Symbol: Read and understand the entire manual before This symbol Indicates danger, warning or caution. operating or maintaining Stoelting equipment. Attention is required in order to avoid serious per- sonal injury. The message that follows the symbol This manual provides the operator with information contains important information about safety.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Section Description Page Description and Specifi cations Description ....................1 Specifi cations ..................... 2 Installation Instructions Safety Precautions ..................3 Shipment and Transit .................. 3 Machine Installation ..................3 Installing Permanent Wiring ................ 3 Mix Pump ....................4 Mix Pump Hose Installation..................
  • Page 6 Section Description Page Maintenance and Adjustments Overrun Adjustment ..................15 Mix Pump Hose Reposition ................ 15 Mix Pump Hose Replacement ..............16 Fine Consistency Adjustment ..............16 Drive Belt Tension Adjustment ..............17 Condenser Cleaning (Air-Cooled Machines) ..........17 Preventative Maintenance ................17 Extended Storage ..................

  • Page 7: Description And Specifications

    SECTION 1 DESCRIPTION AND SPECIFICATIONS 1.1 DESCRIPTION The Stoelting O431 I2 fl oor model machine is pressure fed. The machine is equipped with fully automatic controls to provide a uniform product. The machine is designed to operate with almost any type of commercial soft-serve or non-dairy mix available, including ice milk, ice cream, yogurt, and frozen dietary desserts.

  • Page 8: Specifications

    1.2 SPECIFICATIONS Model O431 I2 Dimensions Machine with crate width 19-1/8’’ (48,6 cm) 27’’ (68,6 cm) height 67-7/8’’ (172,4 cm) 78’’ (198,1 cm) depth 37-3/4’’ (95,9 cm) 48’’ (121,9 cm) Weight 500 lbs (226,7 kg) 650 lbs (294,8 kg) Electrical 1 Phase, 208-240 VAC, 60Hz 3 Phase, 208-240 VAC, 60Hz International Option...

  • Page 9: Installation Instructions

    SECTION 2 INSTALLATION INSTRUCTIONS SAFETY PRECAUTIONS Install the four casters. Turn the threaded end into the machine until no threads are showing. To Do not attempt to operate the machine until the safety level, turn out casters no more than 1/4” maximum, precautions and operating instructions in this manual are then tighten all jam nuts.

  • Page 10: Mix Pump

    6” (15cm) Figure 2-2 Mix Hose Installation MIX PUMP Allow the remaining 6” (15cm) of tubing to feed through pump until the hose adapter prevents A. MIX PUMP HOSE INSTALLATION further feeding. Follow the steps below to install the mix pump hose in Turn the pump off.
  • Page 11 Figure 2-3 Mix Pump Connections for Standard Mix Container Connect the elbow fi tting to the free end of the Push the manifold adapter with spring and valve tubing. Connect the opposite end of the elbow into the left port (nearest the manifold outlet) of to 1/4”...

  • Page 12: Mix Low Level Indicator Adjustment

    Connect the bag adapter attached to the left side C. MIX LOW LEVEL INDICATOR ADJUSTMENT of the manifold (closest to the mix outlet) to the The sensitivity of the “Mix Low” indication can be adjusted mix bag in the back of the mix container. to operator preference.

  • Page 13: Initial Set-Up And Operation

    SECTION 3 INITIAL SET-UP AND OPERATION OPERATOR’S SAFETY PRECAUTIONS OPERATING CONTROLS AND INDICATORS SAFE OPERATION IS NO ACCIDENT; observe these rules: Before operating the machine, it is required that the op- erator know the function of each operating control. Refer Know the machine.

  • Page 14: Disassembly Of Machine Parts

    A. INTELLITEC2™ TOUCHPAD Main Power On/Off The Main Power button is used to supply power to the IntelliTec2™ control, the freezing cylinder circuits and the storage refrigeration system. When the machine is fi rst plugged in, the control defaults to the On status with power to the cabinet only.

  • Page 15: Remove Auger

    CLEANING DISASSEMBLED PARTS Disassembled parts require complete cleaning, sanitiz- ing and air drying before assembling. Local and state health codes will dictate the procedure required. Some state health codes require a four sink process (pre-wash, wash, rinse, sanitize, air dry), while others require a three sink process (without the pre-wash step).

  • Page 16: Assembling The Machine

    ASSEMBLING THE MACHINE To assemble the machine parts, refer to the following steps: NOTICE Petrol-Gel sanitary lubricant or equivalent must be used when lubrication of machine parts is specifi ed. NOTICE The United States Department of Agriculture and the Food and Drug Administration require that lubri- cants used on food processing equipment be certi- fi...

  • Page 17: Freeze Down And Operation

    When sanitizing the machine, refer to local sanitary regu- Press the CLEAN button to start the auger rotating. lations for applicable codes and recommended sanitizing Check for leaks when the freezing cylinder is fi rst products and procedures. The frequency of sanitizing pressurized with sanitizing solution.

  • Page 18: Mix Information

    When the product is ready, the display will read 3.11 OPERATION OF MIX PUMP “SERVE”. Open the spigot to dispense product. The mix pumps are operated from the buttons on the NOTE IntelliTec2™ touchpad. When the pump button is pressed On, the mix pump motor will start pumping mix into the If the product consistency needs to be adjusted, use freezing cylinder.

  • Page 19: Mix Pump Cleaning

    3.12 MIX PUMP CLEANING CAUTION NOTICE System Under Pressure Any cleaning procedure must always be followed by sanitizing before fi lling machine with mix. Never disconnect hoses from the machine or the pump without fi rst opening the spigot to relieve The mix pump is approved for CIP (clean in place).
  • Page 20 Owner’s Manual #513669 O431 I2 Model Machines...

  • Page 21: Maintenance And Adjustments

    SECTION 4 MAINTENANCE AND ADJUSTMENTS This section is intended to provide maintenance personnel On the air compressor side of the pump, locate with a general understanding of the machine adjustments. the long/slender piston rocking arm. The rocking It is recommended that any adjustments in this section arm downward travel is limited by a stationery be made by a qualifi...

  • Page 22: Mix Pump Hose Replacement

    Connect the mix pump hose to the elbow fi tting (located on the left side of the mix line manifold) using a small hose clamp. Be careful not to twist the mix hose. Turn the pump on. Allow the remaining 6" (15cm) of tubing to feed through the pump until the hose adapter prevents further feeding and turn the pump off.

  • Page 23: Drive Belt Tension Adjustment

    DRIVE BELT TENSION ADJUSTMENT PREVENTATIVE MAINTENANCE To check belt tension, follow the steps below: It is recommended that a preventative maintenance schedule be followed to keep the machine clean and Remove a side panel and the back panel. operating properly. The following steps are suggested as Use a Burroughs Belt Tension Gauge to set the a preventative maintenance guide.
  • Page 24 Owner’s Manual #513669 O431 I2 Model Machines...

  • Page 25: Troubleshooting Error Codes

    SECTION 5 TROUBLESHOOTING ERROR CODES Error Code 3 - Run Time The Run Time Error (E3) occurs when the When the machine experiences a problem, one of the compressor runs continuously for an extended following error codes will be displayed on the control period.
  • Page 26 Error Code 5 - Freezing Cylinder Sensor Error Code 10 - Auxiliary Sensor The Freezing Cylinder Sensor Error (E5) indicates An Auxiliary Temperature Sensor Error (E10) a failure of the barrel sensor or if the sensor is occurs if the temperature sensor on the control out of range.

  • Page 27: Troubleshooting - Machine

    TROUBLESHOOTING - MACHINE PROBLEM POSSIBLE CAUSE REMEDY 1 Power to machine is off. 1 Supply power to machine. Machine does not 2 Freeze-up (auger will not turn). 2 Turn off cylinder, wait for 15 minutes, then run. restart. 3 Front door not in place. 3 Assemble front door in place.

  • Page 28: Troubleshooting - Mix Pump

    TROUBLESHOOTING - MIX PUMP PROBLEM POSSIBLE CAUSE REMEDY 1 Power to pump is off. 1 Supply power to pump. 2 Low voltage. 2 Check for low voltage. 3 Mix pump hose jammed inside black 3 Disconnect pump from power source. Remove cover/clamp.
  • Page 29 PROBLEM POSSIBLE CAUSE REMEDY 1 Mix pump hose service life is 1 Reposition/replace mix pump hose. exceeded. 2 Out of mix. 2 Replenish mix supply. Overrun too high. 3 Overrun setting too high. 3 Decrease overrun setting. 4 Pick-up leg of mix pump hose is 4 Reposition hose.
  • Page 30 Owner’s Manual #513669 O431 I2 Model Machines...

  • Page 31: Replacement Parts

    SECTION 6 REPLACEMENT PARTS BRUSHES, DECALS AND LUBRICATION Part Description Quantity 208135 Brush - 4” X 8” X 16” (Barrel) 208380 Brush - 1/4” X 3” X 14” 208387 Brush - 1/2” X 5” X 24” 208465 Brush - 1” X 3-1/2” X 18” 208467 Brush - 3/8”...
  • Page 32 AUGER SHAFT AND FACEPLATE PARTS Part Description Quantity 149003 Bushing - Front Auger Support 381804 Auger Flight 482004 Knob - Air Bleed Valve 482019 Knob - Front Door 624520-5 O-Ring - Air Bleed Valve - Black (5 Pack) 624598-5 O-Ring - Outside Spigot - Black (5 Pack) 624614-5 O-Ring - Top &...

  • Page 33: Cab Tubing Assembly

    CAB TUBING ASSEMBLY Part Number Description Quantity 264235 Clamp - Metal (1/4” ID Tubing) 264241 Clamp - Metal (1/2” ID Tubing) 264243 Clamp - Metal (3/8” ID Tubing) 375819 Elbow - Barbed (3/8”- 1/4”) 376041 Tee Connector - 3-Way (Stainless) 558114 Mix Container Only 624607-5...
  • Page 34 Owner’s Manual #513669 O431 I2 Model Machines...
  • Page 35 WARRANTY SOFT SERVE / SHAKE FREEZERS 1. Scope: Stoelting, LLC warrants to the first user (the “Buyer”) that the freezer cylinders, hoppers, compressors, drive motors, speed reducers, augers and auger flights of Stoelting soft serve / shake freezers will be free from defects in materials and workmanship under normal use and proper maintenance appearing within five (5) years, and that all other components of such equipment manufactured by Stoelting will be free from defects in material and workmanship under normal use and proper maintenance appearing within twelve (12) months after the date that...

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