Cornelius UC 701 service manual Start Relay, To Replace Gearmotor Assembly

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START RELAY

1.Check between “2” and “4” on relay (with relay unplugged). If there is continuity replace the relay, as the relay contacts should be open.

2.Check between “3” and “4” on relay, if no continuity replace the relay.

FIGURE 7. GEARMOTOR ASSEMBLY

TO REPLACE GEARMOTOR ASSEMBLY

1.Disconnect the icemaker from the electrical power source.

2.Disconnect the transmission cable from the electrical box.

3.Remove the 4 hex head bolts securing the evaporator to the top of the transmission.

4.Remove the 4 bolt’s holding the transmission and bracket to frame base, while supporting the weight of the evaporator. Remove the transmission from the unit.

5.When replacing the transmission, it may be necessary to rotate the auger back and forth to align the motor shaft and auger.

AUGER NUT

BEARING NYLON

AUGER

 

BEARING DELRIN

 

 

“D” DRIVE

GROOVE

 

EXTRUDING

 

HEAD

 

ANTI–ROTATION

 

RIB – 3 PLACES

 

FIGURE 8. AUGER AND EXTRUDING HEAD REMOVAL

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Contents UC 701 Series CONTINUOUS-FLOW Icemaker Table of Contents Table of Contents cont’d Safety Information Recognize Safety InformationUnderstand Signal Words Follow Safety InstructionsThis page Left Blank Intentionally General Description To the User of this ManualDescription Claims InstructionsSpecification Chart Clearance Requirements This page Left Blank Intentionally Installation PRE-INSTALLATIONInstallation Side Bracket InstallationInitial Start UP, Checks and Adjustment Instructions Icemaker Float AssemblyThis page Left Blank Intentionally Guide to Service Icemaker Cleaning and Sanitizing ProceduresMaintenance MonthlyWater Level Control Semi-AnnuallyHow Water Level Control Works PurposeRefrigeration System Adjustments To Replace Water Level Safety SwitchRefrigeration System To Replace Water Level ControlCondenser Modulating Valve Adjustment and TroubleshootingExpansion Valve Condenser Modulating Valve Removal BIN ControlGearmotor Motor CheckTo Replace Gearmotor Assembly Start RelayTo Replace Bearing Upper NUT and Bearing AssemblyAuger and Extruding Head Removal Electrical Checkout Capacitor CheckSafety Controls Gear Motor OverloadGuide to Good ICE Wiring Diagram Troubleshooting Chart Icemaker not Operating Troubleshooting Troubleshooting CompressorsCertificate of Warranty IMI CorneliusThis page Left Blank Intentionally IMI Cornelius INC