Lincoln Electric IM481-B Signifying the Earth Ground Connection, Chassis Ground Connection

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WARNING IDENTIFICATION

Warning Identification

EARTH GROUND CONNECTION

Signifying the Earth (Ground) Connection

CHASSIS GROUND CONNECTION

Signifying the Chassis (Ground) Connection

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Contents IM481-B Safety Depends on YouSafety Electric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéPlease Examine Carton and Equipment For Damage Immediately Table of Contents Output Control Dial Meanings of Graphic SymbolsPower ON-OFF Switch Output Control LOCAL-REMOTE SwitchThermal Protection Light Voltmeter SwitchCircuit Breaker Degree of protection provided by the enclosure Rating PlateSignifying the Chassis Ground Connection Earth Ground ConnectionSignifying the Earth Ground Connection Chassis Ground ConnectionDesign Summary Operational Features & ControlsGeneral Machine Description Recommended Processes & EquipmentCase Features Auxiliary Power ConnectionsRemote Control Connections WATER COOLER CONNECTORMETER OPTION Machine & Circuit Protection Thermal Protection LightParalleling Technical Specifications FALLING EQUIPMENT can cause InstallationSafety Precautions Input Power ConnectionsElectric Shock can kill Installation of Field Installed OptionsOutput Cable Connections Output CablesConnection of CV 500-I to LN-22 or LN-25 Wire Feeder Control Cable ConnectionsUndercarriages K817P, K841 Duty Cycle Amps Volts Power Source OperationSafety Precautions ELECTRIC SHOCK can kill Operating InstructionsTerminal Strip Connections Front View of 14-PIN Connector ReceptaclePIN LEAD NO Function Machine and Circuit Protection VAC Auxiliary Power for Water CoolerRoutine Maintenance HOW to USE Troubleshooting Guide TroubleshootingTrouble Cause What To Do TROUBLESHOOTING GUIDEFaulty Output Control potentiometer Trouble Cause What To Do Output Voltage Connecting the Remote Control to the MachineFault Protection Operation Power I/O Switch CheckPower Silicon Controlled Rectifier Test Remote Control CheckPower Rectifier Bridge Assembly Checking Procedure Power Diode TestRubber Boot To plug To T1 main transformer Gate leads plug to Control P.C. boardEnhanced Diagram Page Page Precaucion Warnung