229 598-B

OM-232 386 Page 31

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Miller Electric DVI-2 R manual 229 598-B

Contents

File MIG Gmaw OM-232 386BProcesses Description From Miller to You Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can kill Flying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosion Moving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injury About Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF Information 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 LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO 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 − Definitions − InstallationSymbols And Definitions Specifications Minutes Duty Cycle And Overheating40% duty cycle at 150 amps Minutes Welding Minutes Resting Overheating Range Range 4 Range Connecting To Weld Output TerminalsCorrect Installation Volt-Ampere Curves 11/16 Installing Work Cable And ClampSetting Gun Polarity For Wire Type Polarity Changeover Label Information Tools Needed 8, 5/8 Installing Gas SupplyRear Panel With 8 in 200 mm spools To turn spool, tension is set Installing MIG Wire Spool and Adjusting Hub TensionInstalling 1 Or 2 lb Wire Spool Use compression spring 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 Remove gun nozzle and contact tip Threading Welding WirePressure Scale Turn Off unit, and disconnect input power Connecting An Optional Spool Gun Voltage Control − OperationControls Parameter Weld Parameter ChartVoltage Chart Settings Input Line 226 652-A Unit Overload − Maintenance &TROUBLESHOOTINGRoutine Maintenance Changing Drive Roll and Wire Inlet Guide Welding Trouble Remedy Aligning Drive Rolls and Wire GuideTroubleshooting Turn Off power 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 Select Voltage Typical MIG Process Control SettingsWire Size Amperage Range Amperage Groove Welds Holding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular Drag Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive Penetration Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Application Troubleshooting Guide For Semiautomatic Welding EquipmentProblem Probable Cause Remedy Common MIG Shielding Gases Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source Drive Roll And Wire Guide Kits − Parts List Support ServiceYour distributor also gives Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact