Hobart Welding Products OM-227 978B instruction

Notes

OM-227 978 Page 27

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Hobart Welding Products OM-227 978B manual

Contents

2007−04 OM-227 978BProcesses Description From Hobart to You Table of Contents − MIG Welding Gmaw Guidelines − Parts ListTypical MIG Process Connections Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding Hazards Buildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyes California Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers LES Fumées ET LES GAZ peuvent être dangereux UNE Décharge Électrique peut entraîner la mortIndique un message de sécurité particulier LE Bruit peut endommager l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures graves DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peut SUR En ce qui concerne les stimulateurs cardiaques Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone − Definitions − SpecificationsSymbols And Definitions Specifications Output Duty Cycle And OverheatingVolt-Ampere Curves Amperes Installing Welding Gun − InstallationInstalling Work Clamp Changing Polarity Process/Polarity Table Installing Gas Supply Selecting a Location And Connecting Input Power Installing Wire Spool And Adjusting Hub Tension Electrical Service GuideTools Needed Installing Contact Tip And Nozzle Appropriate setting Connecting Optional Spool Gun Threading Welding Wire Controls − Operation Weld Parameter Chart For 230 VAC Model 227 949-B Months − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload Protection Drive Motor Protection 030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035 Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Replacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Gun LinerTo Reassemble Gun Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting Table OM-227 978 Circuit Diagram − Electrical Diagram 227 951-B Typical MIG Process Connections − MIG Welding Gmaw Guidelines Amperage Typical MIG Process Control SettingsWire Size Amperage Range Thickness to Amperage a Holding And Positioning Welding Gun Short Normal Long Conditions That Affect Weld Bead ShapePush Perpendicular Drag Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive Penetration Troubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Weld bead Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Common MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding Equipment OM-227 978 Main Assembly − Parts List Dia Part Dia Part Mkgs Description Quantity 231 H-14 Gun Options Optional Drive RollsConsumables Page Work like a Pro Support ServiceAssistance Hobart Welding Products Contact your Distributor for