226 652-A

.A complete Parts List is available at www.MillerWelds.com

OM-232 386 Page 25

Image 29

Miller Electric DVI-2 R manual 226 652-A

Contents

Processes OM-232 386BDescription File MIG Gmaw From Miller to You Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burns ARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyes Fire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injury California Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical Devices UNE Décharge Électrique peut entraîner la mort Symboles utilisés LE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser LE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-232 386 Symbols And Definitions − InstallationSpecifications − Definitions 40% duty cycle at 150 amps Minutes Welding Minutes Resting Duty Cycle And OverheatingOverheating Minutes Correct Installation Connecting To Weld Output TerminalsVolt-Ampere Curves Range Range 4 Range Setting Gun Polarity For Wire Type Installing Work Cable And ClampPolarity Changeover Label Information 11/16 Tools Needed 8, 5/8 Installing Gas SupplyRear Panel Installing 1 Or 2 lb Wire Spool Installing MIG Wire Spool and Adjusting Hub TensionUse compression spring With 8 in 200 mm spools To turn spool, tension is set 230 VAC =GND/PE Earth Ground Connecting 1-Phase Input Power For 230 VAC Extension Cord Data Electrical Service Guide For 230 VACHz Single Phase 18 in 457 mm of space for airflow Selecting a Location And Connecting Input PowerDo not move or operate unit where it could tip Pressure Threading Welding WireScale Remove gun nozzle and contact tip Turn Off unit, and disconnect input power Connecting An Optional Spool Gun Voltage Control − OperationControls Voltage Chart Settings Weld Parameter ChartInput Line Parameter 226 652-A Routine Maintenance − Maintenance &TROUBLESHOOTINGChanging Drive Roll and Wire Inlet Guide Unit Overload Troubleshooting Aligning Drive Rolls and Wire GuideTurn Off power Welding Trouble Remedy Wire Drive/Gun Trouble Remedy OM-232 386 Welding Power Source Circuit Diagram − Electrical Diagram 229 598-B Typical MIG Process Connections − MIG Welding Gmaw Guidelines Wire Size Amperage Range Typical MIG Process Control SettingsAmperage Select Voltage Groove Welds Holding And Positioning Welding Gun Push Conditions That Affect Weld Bead ShapePerpendicular Drag Short Normal Long Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective Actions Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Problem Probable Cause Remedy Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Application Readjust welding parameters Welding arc not stable Wire slipping in drive rollsWelding power source Drive rolls if necessary Drive Roll And Wire Guide Kits − Parts List Support ServiceYour distributor also gives Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s