Hobart Welding Products OM-950 manual Controls For AC Models

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B. Controls For AC Models

1 Amperage Adjustment Control

2 Power Switch

3 Mode Switch

Use mode switch to select ac low range or high range output.

Ref. 190 599-A / 802 105-D

OM-950 Page 18

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Contents Processes DescriptionFrom Hobart to You Table of Contents Page 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 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 cardiaques− Definitions Symbols And DefinitionsManufacturer’s Rating Labels AC/DC Models − InstallationSpecifications AC ModelsFor 235/160A Models Duty Cycle ChartsFor AC/DC Models For AC ModelsVolt-Ampere Curves Selecting a Location For AC Models For 235A ModelsHolder or work clamp Installing Electrode Holder And Work ClampInstalling Electrode Cable and Barrel Onto Electrode Holder 50/60 Hz Electrical Service Guide Weld Output Cables Input Voltage 230 Input Amperes At Rated Output=GND/PE Earth Groundbe sure to supply correct in- put power Connecting Input PowerOut input power before instal Disconnect and lockout/tagControls For AC/DC Models − OperationControls For DC Weld OutputControls For AC Models Lubricating Shunt Block And Anti-Noise Adjustment − Maintenance & TroubleshootingRoutine Maintenance MonthsReinstalling Amperage Adjustment Indicator Troubleshooting Trouble RemedyCircuit Diagram For AC/DC 230 Volts Models Circuit Diagram For AC 230 Volts Models− Welding Methods & Troubleshooting Welding Methods Shielded Metal Arc Welding Smaw ProcedureElectrode And Amperage Selection Chart 6013 7014Striking An Arc Positioning The Electrode HolderElectrode Angle Weld Bead CharacteristicsConditions That Affect Weld Bead Shape Arc LengthElectrode Movement During Welding Butt JointsTee Joints Welding TroubleshootingLap Joints PorosityIncomplete Fusion Excessive SpatterLack Of Penetration Waviness Of Bead Excessive PenetrationBurn-Through DistortionStart Your Professional Welding Career Now − Parts List Main Assembly AC/DC model illustratedMain Assembly Page Support ServiceAssistance Contact your Distributor for Hobart Welding Products