Cornelius 326142000 service manual Servicing Carbonator Water Pump Double Liquid Check Valve

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4.Remove lower front access panel and left-side panel as instructed for access to the water pump water strainer screen.

5.Pull up on carbonator tank relief valve plastic cover to release CO2 pressure from tank.

6.Loosen screen retainer in water pump port, then remove screen retainer and strainer screen from port.

7.Pull strainer screen from screen retainer. Clean any sediment from screen retainer and water pump port.

8.Inspect strainer screen for holes, restrictions, corrosion, and other damage. Discard damaged strainer screen.

9.Check O-ring on screen retainer. Replace worn or damaged O-ring (P/N 315349000).

NOTE: Strainer screen should always be used otherwise particles could foul double liquid check valve.

10.Install good or new strainer screen (P/N 315348000) in screen retainer, then screw retainer into water pump port and tighten securely.

11.Proceed to SERVICING CARBONATOR WATER PUMP DOUBLE LIQUID CHECK VALVE.

SERVICING CARBONATOR WATER PUMP DOUBLE LIQUID CHECK VALVE

(see Figures 2 and 12)

1.Service water pump water strainer screen before servicing water pump double liquid check valve.

2.Disconnect carbonator tank water line from double liquid check valve assembly outlet.

3.Remove double liquid check valve assembly from elbow in water pump outlet port. Retain white tapered gasket inside inlet (female) end of double liquid check valve.

4.Disassemble each check valve as shown in Figure 11.

5.Wipe each part with clean lint-free cloth. Inspect each part, especially ball for burrs, nicks, corrosion, deterioration, and other damage. Discard ball seat and any damaged or suspicious parts and replace with new parts during reassemble.

6.Reassemble liquid check valves as shown in Figure 11. ALWAYS INSTALL NEW BALL SEAT (QUAD RING) P/N 312418000.

NOTE: Make sure when assembling check valves together, check valve female end with white tapered gasket inside is on inlet side of double liquid check valve assembly.

7.Assemble check valves together. DO NO OVERTIGHTEN.

8.Make sure white tapered gasket is in place inside female end of double liquid check valve assembly, then install check valve assembly on elbow in water pump outlet port.

9.Connect carbonator tank water line to double liquid check valve assembly outlet. DO NOT OVERTIGHTEN.

10.Open CO2 cylinder and water inlet supply lines shutoff valves. Check for water leaks and tighten any loose connections.

11.Install Unit back panel by reversing removal procedure.

12.Connect electrical power to Unit.

13.Press both ‘‘AUTO BLEND 1’’ and ‘‘AUTO BLEND 2’’ switches.

14.Press both ‘‘AUTO 1’’ and ‘‘AUTO 2’’ switches to start freeze cylinders beaters and refrigeration system.

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326142000

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Contents FCB SOLID-STATE Post MIX Dispenser This Document Contains Important InformationTable of Contents Table of Contents cont’d Dispensing Valves Caged O-RINGS and Beaters Drive Programming Main Menu Selection Onto Message DisplayTroubleshooting Control Panel Switches and Fault ‘‘VIS READ’’ Actual Viscosity Readout of ProductServicing Carbonator Water Pump Double Liquid Check Replacing Freeze Cylinder Beater Drive Shaft Bearing‘‘ERROR 1’’ or ‘‘ERROR2’’ Fault Message Goes on During Generic Flavor Tabs Service ToolsFreeze Cylinder Automatic Defrost Cycle does not List of FiguresTotals Displayed Cycles and Hours Totals Menu List of Figures CONT’DList of Tables General Description Unit DescriptionTheory of Operation Defrost Systems‘‘SLEEP’’ Sleep Time ‘‘WAKE UP’’ Wake UP TimeManual Defrost System Automatic Defrost SystemFlow Diagram Unpacking and Inspection Identification of LOOSE-SHIPPED PartsDomestic Unit Installing Beaters Item 11 and Scraper Blades ItemElectrical Power Requirements Freeze Cylinder Cutaway View Selecting Location Export UnitInstalling Unit Installing Drip Tray SUPPORTS, Drip TRAY, and CUP RestInstalling Drip Tray Drain KIT Item Installing Primary CO2 Regulator Assembly on CO2 CylinderConnecting Plain Water Inlet Supply Line to Unit 50 or 60 HZ Operation and Beater Motor Select Connecting Electrical Power Circuit to UnitPreparation for Operation Turning on Electrical Power to Unit Connecting Soft Drink Tanks to Unit Syrup SystemsTurning on CO2 Supply to Unit Turning on Plain Water Supply to UnitAdjusting Brix WATER-TO-SYRUP ‘‘RATIO’’ of Dispensed Product Adjusting Beater Motor Current Either Side Setting ‘‘CLOCK’’ Time of DAYProgramming ‘‘DEFROST’’ Automatic Settings Into Unit Filling Freeze Cylinders with Product‘‘VOLTAGE’’ Displayed Voltage Readout Displayed Error ConditionsDisplayed Error Conditions This page Left Blank Intentionally Control Panel Switches and Displayed Messages Control Panel Switches‘‘SECURITY SWITCH.’’ Control Panel Display MessagesFreeze Cylinders Manual or Automatic Defrost Systems Faceplate Relief Valves Product Sample ValvesProduct Shutoff Valves Primary CO2 RegulatorOperating Characteristics DrawingOperating Unit Replenishing Syrup SupplyProduct Flavor Change Checking CO2 SupplyAdjustments Cleaning and SanitizingCleaning Condenser Coil Lubrication Programming Main Menu Selections Onto Message Display Displayed Error Conditions Cleaning CO2 GAS Check ValvesThis page Left Blank Intentionally Preparing Unit for SHIPPING, STORING, or Relocating Periodic InspectionCarbonator Water Pump Motor Lower Front Access PanelCondenser Coil Access Panel 326142000 Operating Controls Unit Internal Components Cleaning Condenser Coil SELF-CLOSING Dispensing ValveAdjusting Plain Water Pressure Regulator Adjusting Carbonated Water Flow RateAdjusting CO2 Regulators Product Carbonation Adjustment ADJUSTMENTS, and Programming Main Menu Selections Into Unit Setting Clock Time of DAY Hidden Security Switch Message DisplayMenu Commands Programming Main Menu Selection Onto Message DisplayProgramming ‘‘DEFROST’’ Automatic Settings Into Unit Master and Relay Circuit Boards Switch Function DIP Switch Functions Motor SelectedBeater Motor Select DIP Switch Message Point of Sale Display MessagesAdjusting VIS SET Product Viscosity of Dispensed Product ‘‘VOLTAGE’’ Displayed Voltage Readout Totals Menu Commands Description Syrup Minutes SideDisplayed Error Conditions BrixDaily Cleaning of Unit Sanitizing Syrup Systems326142000 326142000 Yearly or After Water System Disruption Servicing Carbonator Water Pump Water Strainer ScreenServicing Carbonator Water Pump Double Liquid Check Valve Replenishing CO2 Supply Syrup Flavor Change Water Strainer Screen and Double Liquid Check Valve Shutting Unit Down Cleaning CO2 GAS Check ValvesReplacing Freeze Cylinder Beater Drive Shaft Bearing Installing Beater Drive Shaft Bearing ASS’Y Beater Drive Motor and Shaft Seal ASS’Y ReplacementRestoring Unit Operation Replacing Beater Drive Shaft Seal ASS’YReplacing Freeze Cylinder Beater Motor Drive motorAdjusting Carbonator Tank Liquid Level Carbonator Liquid Level Control Switch Adjustment Refrigeration Flow Diagram Wiring Dirgram Troubleshooting Control Panel Switches and Fault Messages Control Panel Switches Poorly Illuminated Display ONE or More FaultCannot be Deactivated Partial Message or DullALL Fault Messages not ‘‘CO2 OUT’’ Fault Message‘‘H2O OUT’’ Fault Message Fault Message Goes onTroubleshooting Product Blender Tanks and Carbonators Troubleshooting Dispensed Product Accessories and Tools Service ToolsInstructed Generic Flavor TabsFCB SOLID-STATE POST-MIX Dispenser FCB POST-MIX Dispenser FCB POST-MIX Dispenser CONT’D FCB Flow Diagram FCB POST-MIX Dispenser By 1/2-In. Long Faceplate Assembly Dispensing Valve Assembly CO2 Regulator Assembly Carbonator Assembly Name Warranty This page Left Blank Intentionally One Cornelius Place Anoka, Minnesota 612 800

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