Earth Ground Connection

WARNING IDENTIFICATION

Warning Identification

Signifying the Earth (Ground) Connection

CHASSIS GROUND CONNECTION

Signifying the Chassis (Ground) Connection

– 11 –

Page 11

Image 11

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

Contents

IM481-B Safety Depends on You Safety Electric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosion Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Please Examine Carton and Equipment For Damage Immediately Table of Contents Output Control Dial Meanings of Graphic SymbolsPower ON-OFF Switch Output Control LOCAL-REMOTE Switch Thermal Protection Light Voltmeter SwitchCircuit Breaker Degree of protection provided by the enclosure Rating Plate Signifying the Chassis Ground Connection Earth Ground ConnectionSignifying the Earth Ground Connection Chassis Ground Connection Design Summary Operational Features & ControlsGeneral Machine Description Recommended Processes & Equipment Case Features Auxiliary Power ConnectionsRemote Control Connections WATER COOLER CONNECTOR METER OPTION Machine & Circuit Protection Thermal Protection LightParalleling Technical Specifications FALLING EQUIPMENT can cause InstallationSafety Precautions Input Power Connections Electric Shock can kill Installation of Field Installed OptionsOutput Cable Connections Output Cables Connection 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 Instructions Terminal 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 Troubleshooting Trouble Cause What To Do TROUBLESHOOTING GUIDE Faulty Output Control potentiometer Trouble Cause What To Do Output Voltage Connecting the Remote Control to the MachineFault Protection Operation Power I/O Switch Check Power Silicon Controlled Rectifier Test Remote Control CheckPower Rectifier Bridge Assembly Checking Procedure Power Diode Test Rubber Boot To plug To T1 main transformer Gate leads plug to Control P.C. board Enhanced Diagram Page Page Precaucion Warnung

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

Models: IM481-B

EARTH GROUND CONNECTION

Signifying the Earth (Ground) Connection

CHASSIS GROUND CONNECTION

Signifying the Chassis (Ground) Connection