Hobart Welding Products 2250 specifications Operation, Controls

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SECTION 3 – OPERATION

3-1. Controls

1 Wire Speed Control

The scale around the control is per- cent, not wire feed speed.

2 Voltage Control

The higher the selected number, the thicker the material that can be welded (see welding guide and Section 3-2).

3 Power Switch

1

2

3

Ref. ST-192 372

OM-192 440 Page 16

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Contents Processes DescriptionFrom Hobart to You Table of Contents Page 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 killPrincipal Safety Standards EMF Information About PacemakersSignification des symboles Consignes DE Securite Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent pro- voquer des brûlures graves LE Bruit peut affecter l’ouïeRisque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques Specifications Exceeding duty cycle can damage unit and void warrantyIntroduction Duty Cycle And OverheatingInstalling Welding Gun Volt-Ampere CurvesInstalling Work Clamp Setting Gun Polarity For Wire TypeInstalling Gas Supply Installing Wire Spool And Adjusting Hub TensionElectrical Service Guide Changing Input Voltage From 230 Volts To 200 VoltsInput Voltage Min Grounding Conductor Size In AWG/KcmilSelecting a Location And Connecting Input Power Threading Welding Wire Hold wire tightly to keep it from unravelingOperation ControlsWeld Parameters Maintenance and Troubleshooting Routine MaintenanceCircuit Breakers MonthsReplacing Gun Contact Tip Replacing Drive Roll And Wire Inlet GuideTurn Off power before replacing contact tip To Reassemble Gun Cleaning Or Replacing Piecemaker 20-A Gun LinerDisconnect gun from unit Welding Troubleshooting Table Wire Drive/Gun Troubleshooting TableWire Drive/Gun Trouble Remedy Welding Trouble RemedyElectrical Diagram Circuit Diagram For Welding Power SourceOM-192 440 Parts List Main AssemblyItem Dia Part Mkgs Description Quantity Center Baffle w/Components Center Baffle w/Components -1 Item Rear Panel w/Components Front Panel w/Components Gun And Cable Assembly, Piecemaker 20-A Part Description Quantity Page Page Page Effective January 1 CallContact your Distributor for Hobart Welding Products