Hobart Welding Products OM-947 212 149D Wire Welding Guidelines, Typical Fcaw Process Connections

Page 32

SECTION 8 − WIRE WELDING GUIDELINES

8-1. Typical FCAW Process Connections

Y 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.

Wire Feeder/

Power Source

Gun

Work Clamp Workpiece

Self-Shielding Flux

Core Wire

fcaw 1/2003 / Ref. 803 444-A

8-2. Typical MIG Process Connections

Regulator/

Flowmeter

Wire Feeder/

Power Source

YWeld 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.

Shielding	Gas Hose
Gas	Gun
	Gun
	Work Clamp Workpiece
	Solid Wire

light mig 5/967 / Ref. 803 444-A

OM-947 Page 28

Image 32

Contents File Flux Cored Fcaw ProcessesDescription 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 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 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 cardiaquesDuty Cycle And Overheating − SpecificationsSpecifications − Installation Installing Work ClampVolt-Ampere Curves VoltageProcess/Polarity Table Changing PolarityShielding Gas Installing Gas SupplyTools Needed 11/16, 1-1/8 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 Loosen liner setscrew Replacing Gun LinerHead Mm / 10 mm Tube 10 mm Does not run Troubleshooting TableTrouble Remedy − Electrical Diagram Circuit DiagramTypical MIG Process Connections − Wire Welding GuidelinesTypical Fcaw 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 FastGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Spatter Troubleshooting − PorosityTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead Troubleshooting − DistortionTroubleshooting Guide For Semiautomatic Welding Equipment Wire does not feed− Parts List Main AssemblyOptional 225 − See TablePkg PkgWeatherproof Nylon 195 Hub Kit For 8 in Wire Spool209 Page Page Page Assistance ServiceSupport Contact your Distributor for Hobart Welding Products