Hobart Welding Products OM-947 212 149D manual Warranty

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SECTION 8 − WIRE WELDING GUIDELINES		28
8-1. Typical FCAW Process Connections		28
8-2. Typical MIG Process Connections		28
8-3.	Typical Control Settings	29
8-4.	Holding And Positioning Welding Gun	30
8-5.	Conditions That Affect Weld Bead Shape	31
8-6.	Gun Movement During Welding	32
8-7.	Poor Weld Bead Characteristics	32
8-8.	Good Weld Bead Characteristics	32
8-9.	Troubleshooting − Excessive Spatter	33
8-10.	Troubleshooting − Porosity	33
8-11.	Troubleshooting − Excessive Penetration	33
8-12.	Troubleshooting − Lack Of Penetration	34
8-13.	Troubleshooting − Incomplete Fusion	34
8-14.	Troubleshooting − Burn-Through	34
8-15.	Troubleshooting − Waviness Of Bead	35
8-16.	Troubleshooting − Distortion	35
8-17.	Troubleshooting Guide For Semiautomatic Welding Equipment	35
SECTION 9 − PARTS LIST		36
WARRANTY

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Contents Description ProcessesFile Flux Cored Fcaw From Hobart to You Table of Contents Warranty Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia 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 Soudage peut provoquer un Incendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesRisque D’INCENDIE OU D’EXPLO LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut SUR DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesSpecifications − SpecificationsDuty Cycle And Overheating − Installation Installing Work ClampVolt-Ampere Curves VoltageProcess/Polarity Table Changing PolarityTools Needed 11/16, 1-1/8 Installing Gas SupplyShielding Gas Installing Wire Spool And Adjusting Hub Tension Tools NeededDo not move or operate unit where it could tip Installing Contact Tip And Nozzle Turn off welding power sourceThreading Welding Wire 150 mm Pull and hold wire cut off endBe sure that wire is positioned Reinstall tip adapter, if applicable, contact tip− Operation ControlsOperating The Gun LoadWeld Parameter Chart 210 − Maintenance &TROUBLESHOOTING Routine MaintenanceOverload Protection Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Replacing Gun Contact Tip Cleaning Gun Liner Head Mm / 10 mm Tube Replacing Gun LinerLoosen liner setscrew 10 mm Trouble Remedy Troubleshooting TableDoes not run − Electrical Diagram Circuit DiagramTypical Fcaw Process Connections − Wire Welding GuidelinesTypical MIG Process Connections Typical Control Settings Wire Size Amperage RangeThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Short Normal LongShortNormalLong Slow Normal FastGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − DistortionTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feed− Parts List Main AssemblyOptional 225 − See TablePkg Pkg209 195 Hub Kit For 8 in Wire SpoolWeatherproof Nylon Page Page Page Support ServiceAssistance Contact your Distributor for Hobart Welding Products

TABLE OF CONTENTS

SECTION 8 − WIRE WELDING GUIDELINES

WARRANTY