MIG Welding Gmaw Guidelines | Hobart Welding Products 210 MVP

SECTION 9 − MIG WELDING (GMAW) GUIDELINES

mig1 2009−12

9-1. Typical MIG Process Connections

Regulator/

Flowmeter

Shielding Gas

Wire Feeder/

Power Source

Gas

! Weld current can damage electronic parts in vehicles. Disconnect both battery cables before welding on a vehicle. Place work clamp as close to the weld as possible.

Gun

Workpiece

Work Clamp

Ref. 801 909-A

OM-249 498 Page 36

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Hobart Welding Products 210 MVP MIG Welding Gmaw Guidelines, Typical MIG Process Connections, Gun Workpiece Work Clamp

Contents

OM-249 498B ProcessesDescription File MIG Gmaw From Hobart to You Protect Your Investment Table of Contents Warranty Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can burn Fumes and Gases can be hazardous ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal or Dirt can injure eyes Welding Wire can injure Fire or Explosion hazardFalling Equipment can injure Moving Parts can injure Principal Safety Standards California Proposition 65 WarningsEMF Information About Implanted Medical Devices Symboles utilisés UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereux LES Pièces Chaudes peuvent provoquer des brûluresLE Soudage peut provoquer un incendie ou une explosion LE Bruit peut endommager l’ouïe LES Bouteilles peuvent exploser si elles sont endommagéesRisque D’INCENDIE OU LA Chute DE L’ÉQUIPEMENT peut provoquer des blessures Proposition californienne 65 Avertissements Les Pièces Mobiles peuvent causer des blessuresLES Fils DE Soudage peuvent provoquer des blessures LE Soudage À L’ARC risque de provoquer des interférences Informations relatives aux CEM Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-249 498 Symbols And Definitions − DefinitionsI1max I1eff Specifications For 230 VAC − SpecificationsSpecifications For 115 VAC Duty Cycle And Overheating 30% duty cycle at 150 amps Minutes Welding20% duty cycle at 90 amps Minutes Welding Overheating Volt-Ampere Curves Voltage Amperage Installing Nozzle, Contact Tip, And Adapter − InstallationInstalling Welding Gun Installing Work Clamp Process/Polarity Table Turn off welding power sourceChanging Polarity After flow is set, close pressure assembly Installing Gas SupplyTools Needed 1-1/8 Electrical Service Guide Extension Cord Data Use Shortest Cord Possible Multi−Voltage Plug MVP Connection Selecting a Location And Connecting Input Power Do not move or operate Unit where it could tipDo Not modify or rewire receptacle Connection Serial Number And Rating Label Location Installation Local Codes − have onlyQualified Persons Make Yellow Connecting 1-Phase Input Power For 115 VAC Input Installing Wire Spool And Adjusting Hub Tension Installing 8 in mm Wire Spool Wire Feed Speed Control Connecting Optional Spool GunExposed O-rings Threading Welding Wire − Operation Controls Weld Parameter Chart − Maintenance &TROUBLESHOOTING Routine MaintenanceOverload Protection Drive Motor Protection Changing Drive Roll Or Wire Inlet Guide 023/.025030/.035 Groove Knurled Smooth Stamped Remove nozzle, contact tip, and adapter Blow out gun casing Nozzle Contact Tip Tip Adapter Head TubeStickout Tools Needed Mm, 10 mm Replacing Switch And/Or Head Tube Troubleshooting Table Trouble Remedy − Electrical Diagram Circuit Diagram 249 315-A Regulator Flowmeter Shielding Gas Wire Feeder Power Source − MIG Welding Gmaw GuidelinesTypical MIG Process Connections Gun Workpiece Work Clamp Wire Size Amperage Range Typical MIG Process Control SettingsSelect Voltage Holding And Positioning Welding Gun Groove Welds Conditions That Affect Weld Bead Shape PushPerpendicular Drag Short Normal Long Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective Actions Troubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionBase metal to move Direction Common MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Welding arc not stable Wire slipping in drive rolls Readjust welding parametersWelding power source Drive rolls if necessary 57 58 − Parts List49 32 Dia Part Description Quantity Optional H100S4-10 Gun 245 Options Optional Drive RollsConsumables Support ServiceAssistance Contact your Distributor for Hobart Welding Products