Hobart Welding Products 2250 specifications Processes, Description

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OM-192 440A November 1998

Specifications Covered by this Manual: 903 702

Processes

Gas Metal Arc (MIG) Welding

Flux Cored Arc (FCAW)

Welding

Description

Arc Welding Power Source and Wire

Feeder

BETA-MIG 2250

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Contents Description ProcessesFrom Hobart to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards About Pacemakers EMF InformationConsignes DE Securite Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un incendie ou une explosionDES Pièces Chaudes peuvent pro- voquer des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques Exceeding duty cycle can damage unit and void warranty SpecificationsIntroduction Duty Cycle And OverheatingVolt-Ampere Curves Installing Welding GunSetting Gun Polarity For Wire Type Installing Work ClampInstalling Wire Spool And Adjusting Hub Tension Installing Gas SupplyChanging Input Voltage From 230 Volts To 200 Volts Electrical Service GuideInput Voltage Min Grounding Conductor Size In AWG/KcmilSelecting a Location And Connecting Input Power Hold wire tightly to keep it from unraveling Threading Welding WireControls OperationWeld Parameters Routine Maintenance Maintenance and TroubleshootingCircuit Breakers MonthsTurn Off power before replacing contact tip Replacing Drive Roll And Wire Inlet GuideReplacing Gun Contact Tip Disconnect gun from unit Cleaning Or Replacing Piecemaker 20-A Gun LinerTo Reassemble Gun Wire Drive/Gun Troubleshooting Table Welding Troubleshooting TableWire Drive/Gun Trouble Remedy Welding Trouble RemedyCircuit Diagram For Welding Power Source Electrical DiagramOM-192 440 Main Assembly Parts ListItem 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 Call Effective January 1Hobart Welding Products Contact your Distributor for