Electrical Diagram | Hobart Welding Products OM-227 978B specification

SECTION 8 − ELECTRICAL DIAGRAM

Figure 8-1. Circuit Diagram

OM-227 978 Page 28

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Hobart Welding Products OM-227 978B manual Electrical Diagram, Circuit Diagram

Contents

OM-227 978B ProcessesDescription 2007−04 From Hobart to You Table of Contents Typical MIG Process Connections − Parts List− MIG Welding Gmaw Guidelines Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can kill ARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or kill California Proposition 65 Warnings About Pacemakers Principal Safety StandardsEMF Information Indique un message de sécurité particulier UNE Décharge Électrique peut entraîner la mortLES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut endommager l’ouïe Risque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessures Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone En ce qui concerne les stimulateurs cardiaques − Specifications Symbols And DefinitionsSpecifications − Definitions Duty Cycle And Overheating Volt-Ampere CurvesAmperes Output Installing Work Clamp − InstallationInstalling Welding Gun Process/Polarity Table Changing Polarity Installing Gas Supply Selecting a Location And Connecting Input Power Tools Needed Electrical Service GuideInstalling Wire Spool And Adjusting Hub Tension Installing Contact Tip And Nozzle Connecting Optional Spool Gun Appropriate setting Threading Welding Wire − Operation Controls Weld Parameter Chart For 230 VAC Model 227 949-B − Maintenance &TROUBLESHOOTING Routine MaintenanceOverload Protection Drive Motor Protection Months Changing Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip 030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035 To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Troubleshooting Table Trouble Remedy OM-227 978 − Electrical Diagram Circuit Diagram 227 951-B − MIG Welding Gmaw Guidelines Typical MIG Process Connections Typical MIG Process Control Settings Wire Size Amperage RangeThickness to Amperage a Amperage Holding And Positioning Welding Gun Conditions That Affect Weld Bead Shape PushPerpendicular Drag Short Normal Long Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective Actions Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead Troubleshooting − DistortionCommon MIG Shielding Gases Weld bead Troubleshooting Guide For Semiautomatic Welding Equipment OM-227 978 − Parts List Main Assembly Dia Part Dia Part Mkgs Description Quantity H-14 Gun 231 Consumables Optional Drive RollsOptions Page Work like a Pro Assistance ServiceSupport Contact your Distributor for Hobart Welding Products