Lincoln Electric IM481-B manual Rating Plate, Degree of protection provided by the enclosure

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RATING PLATE

NEMA EW 1

IEC 974-1

Designates welder complies with National Electrical Manufacturers Association requirements EW 1. (Export Model only)

Designates welder complies with International Electrotechnical commission requirements 974-1. (European model only)

Three Phase Power

Transformer

Rectifier

Rectified DC Output

Constant Voltage Characteristic

Line Connection

Shielded Metal Arc Welding

Flux Cored Arc Welding

IP21

Designates Welder can be used in environments with increased hazard of electric shock. (European model only)

Degree of protection provided by the enclosure

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Contents Safety Depends on You IM481-BSafety Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately Table of Contents Output Control LOCAL-REMOTE Switch Meanings of Graphic SymbolsPower ON-OFF Switch Output Control DialCircuit Breaker Voltmeter SwitchThermal Protection Light Rating Plate Degree of protection provided by the enclosureChassis Ground Connection Earth Ground ConnectionSignifying the Earth Ground Connection Signifying the Chassis Ground ConnectionRecommended Processes & Equipment Operational Features & ControlsGeneral Machine Description Design SummaryWATER COOLER CONNECTOR Auxiliary Power ConnectionsRemote Control Connections Case FeaturesParalleling Machine & Circuit Protection Thermal Protection LightMETER OPTION Technical Specifications Input Power Connections InstallationSafety Precautions FALLING EQUIPMENT can causeOutput Cables Installation of Field Installed OptionsOutput Cable Connections Electric Shock can killUndercarriages K817P, K841 Wire Feeder Control Cable ConnectionsConnection of CV 500-I to LN-22 or LN-25 Operating Instructions Power Source OperationSafety Precautions ELECTRIC SHOCK can kill Duty Cycle Amps VoltsPIN LEAD NO Function Front View of 14-PIN Connector ReceptacleTerminal Strip Connections Routine Maintenance VAC Auxiliary Power for Water CoolerMachine and Circuit Protection Troubleshooting HOW to USE Troubleshooting GuideTROUBLESHOOTING GUIDE Trouble Cause What To DoFaulty Output Control potentiometer Trouble Cause What To Do Power I/O Switch Check Connecting the Remote Control to the MachineFault Protection Operation Output VoltagePower Diode Test Remote Control CheckPower Rectifier Bridge Assembly Checking Procedure Power Silicon Controlled Rectifier TestRubber Boot Gate leads plug to Control P.C. board To plug To T1 main transformerEnhanced Diagram Page Page Precaucion Warnung