Miller Electric XLT 185 warranty MIG Welding Gmaw Guidelines, Typical MIG Process Connections, Gas

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SECTION 9 − MIG WELDING (GMAW) GUIDELINES

9-1. Typical MIG Process Connections

Regulator/

Flowmeter

Wire Feeder/

Power Source

Shielding	Gas Hose
Gas

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.

Gun

Work Clamp Workpiece

light mig 5/97 / Ref. 804 623-A

OM-230 832 Page 30

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Contents Description Arc Welding Power Source and Wire FeederOM-230 832A 2007−02 Processes Flux Cored Arc FcawPage Table of Contents − MIG Welding Gmaw Guidelines − Parts ListTypical MIG Process Connections Arc Welding Hazards Symbol UsageMarks a special safety message Electric Shock can killFlying Metal can injure eyes ARC Rays can burn eyes and skinWelding can cause fire or explosion 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 DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut endommager l’ouïe’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresBoulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone En ce qui concerne les stimulateurs cardiaquesSpecifications − SpecificationsSymbols And Definitions − DefinitionsAmperes Duty Cycle And OverheatingVolt-Ampere Curves OutputClose door − InstallationInstalling Welding Gun IncorrectInstalling Work Clamp Process/Polarity Table Changing PolarityAfter flow is set, close feedhead pressure assembly Installing Gas SupplyTools Needed 1-1/8 Selecting a Location And Connecting Input Power First, and never to a line ter- minalInstalling Wire Spool And Adjusting Hub Tension Electrical Service GuideTools Needed Installing Contact Tip And Nozzle Threading Welding Wire − Operation Wire Speed ControlControls Weld Parameter Chart For 230 VAC Model CFH227010 Disconnect power before maintaining − Maintenance &TROUBLESHOOTINGRoutine Maintenance Overload Protection Drive Motor ProtectionReplacing Gun Contact Tip Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip 030/.035 Groove Stamped 023/.025 Groove Stamped .030/.035Disconnect gun from unit Cleaning Or Replacing Gun LinerInstall gas diffuser, adapter, contact tip, and nozzle To Reassemble GunReplacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyOM-230 832 − Electrical Diagram Circuit Diagram228 180-A Typical MIG Process Connections Regulator Flowmeter Wire Feeder Power Source Shielding− MIG Welding Gmaw Guidelines GasThickness to Amperage a Typical MIG Process Control SettingsWire Size Amperage Range Select VoltageHolding And Positioning Welding Gun Perpendicular Drag Conditions That Affect Weld Bead ShapePush Short Normal LongGood Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Common MIG Shielding Gases Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Weld beadTroubleshooting Guide For Semiautomatic Welding Equipment OM-230 832 − Parts List Main AssemblyDia Part 228 H-10 Gun 195Optional Drive Rolls OptionsPage Work like a Pro Warranty Owner’s Record