Hobart Welding Products 250A manual Connecting Work Clamp, Connecting Input Power

Page 16

4-6. Connecting Work Clamp

1

1Work Clamp

2Workpiece

Connect work clamp to a clean, paint-free location on workpiece, as close to cutting area as possible.

2

802 463-A

4-7. Connecting Input Power

Check input voltage available at site.

 

1

Grounded Receptacle

2

A 120 volt, 20 ampere individual

branch circuit protected by

 

time-delay fuses or circuit breaker

 

is required (see Section 4-1).

1

2

Plug From Unit

Select extension cord of 12 AWG for up to 75 ft (23 m) or 10 AWG for up to 140 ft (46 m).

Y Special installation may be required where gasoline or volatile liquids are present − see NEC Article 511 or CEC Section 20.

802 589-A

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Contents Processes DescriptionFrom Hobart to You Table of Contents Page Symbol Usage Marks a special safety messagePlasma Arc Cutting Hazards Cutting can cause fire or explosionExploding Parts can injure Flying Sparks can cause injuryARC Rays can burn eyes and skin Noise can damage hearingCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers Signification des symboles LE Coupage présente un risque de feu ou d’explosionUNE Décharge Électrique peut entraîner la mort Identifie un message de sécurité particulierRisque de blessure en cas LE Bruit peut endommager l’ouïeLES Fumées ET LES GAZ peuvent être dangereux LE Plasma D’ARC peut entraîner des blessuresLES Bouteilles peuvent exploser si elles sont endommagées DES Pieces Chaudes peuvent pro- voquer des brûlures gravesDES Organes Mobiles peuvent provoquer des blessures DES Particules Volantes peuvent blesser les yeuxInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques I1max − DefinitionsI1eff − Installation Specifications For Power SourceSpecifications For Torch Duty Cycle And OverheatingTorch Dimensions And Weight Dimensions And WeightSelecting a Location Movement Location And AirflowConnecting Work Clamp Connecting Input Power− Operation Trigger Safety LockControls Sequence Of Operation Pilot arc starts immediately when trigger is pressed197 196 − Maintenance & Troubleshooting MonthsTrouble Light And Checking Shield Cup Shutdown System Checking Torch Shield Cup Shutdown SystemTorch Connections Torch And Work Cable ConnectionsWork Cable Connections Turn Off power source before checking torch parts Checking/Replacing Retaining Cup, Tip, And ElectrodeTroubleshooting Power Source Troubleshooting Torch − Electrical Diagram Circuit Diagram− Parts List Main AssemblyDia Part Description Quantity Mkgs Ring 196935 196929 197567 196926 196925 196927 RingCup 196928 Page Page Support ServiceAssistance Contact your Distributor for Hobart Welding Products
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