Miller Electric Millermatic DVI MIG Welding Gmaw Guidelines, Typical MIG Process Connections

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SECTION 8 − MIG WELDING (GMAW) GUIDELINES

8-1. Typical MIG Process Connections

Regulator/

Flowmeter

Shielding

Gas

Supply

Gas

Hose

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.

Gun

Work Clamp

Workpiece

light mig 5/967 / Ref. 802 714 / Ref. 802 064-C

OM-1330 Page 34

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Contents Description OM-1330220 237HProcesses File MIG GmawFrom Miller to You Table of Contents − Parts List 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 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 DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer unIncendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures graves’EMPLOI Excessif peut SUR Risque D’INCENDIE OU D’EXPLOLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sécurité En ce qui concerne les stimulateurs cardiaquesGeneral Specifications Symbols And DefinitionsSpecifications 115 VACDuty Cycle And Overheating OverheatingDefinition Volt-Ampere CurvesMIG Welding Gun Duty Cycle And Overheating Connecting To Weld Output Terminals Installing Work ClampInstalling Welding Gun Setting Gun Polarity For Wire TypeInstalling Gas Supply Rear PanelInstalling MIG Wire Spool and Adjusting Hub Tension Installing 1 Or 2 lb Wire SpoolConnecting 1-Phase Input Power For 230 VAC Extension Cord Data Electrical Service Guide For 230 VACHz Single Phase Selecting a Location And Connecting Input Power Do not move or operate unit where it could tipThreading Welding Wire ScaleOperation Installing Diverter Valve And Switch For Optional Spool GunTurn Off unit, and disconnect input power Connecting An Optional Spool Gun End of hose− Operation ControlsOM-1330 Weld Parameter Chart 220 493-A Months Routine MaintenanceSupplementary Protector CB1 Unit Overload Changing Drive Roll and Wire Inlet GuideTurn Off power Replacing Gun Contact TipAligning Drive Rolls and Wire Guide Removing Knob From Front PanelTo Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Disconnect gun firstTroubleshooting Welding Trouble Remedy− Electrical Diagram 220 197-E − MIG Welding Gmaw Guidelines Typical MIG Process ConnectionsSelect Wire Size Typical MIG Process Control SettingsWire Recommendation Wire Speed Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Waviness Of Bead Troubleshooting − DistortionCommon MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentWire does not feed ApplicationWelding arc not stable Wire slipping in drive rolls − Parts List CABLE,POWER 12 FT 5 in 12GA 4C Soow W/SPL Plug Baffle, Center w/Components Baffle, Center w/Components -1Item Panel, Rear w/Components Panel, Front w/Components See Section Drive Roll & Wire Guide Kits 204857M-10 Gun Drive Roll And Wire Guide Kits 207 Optional Spoolmate Spool Gun SwitchPage Page Service SupportOwner’s Record Miller Electric Mfg. Co

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