Hobart Welding Products 250A manual Troubleshooting Torch

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6-6. Troubleshooting Torch

Does arc go on and off while cutting?

No

 

Torch travel speed too slow;

 

 

increase travel speed (see

 

Yes

Section 4-2). Clean or

 

 

replace torch consumables

Go to Section 6-5.

 

 

as necessary (see Section

 

 

 

6-4). Be sure work clamp is

 

 

 

 

securely

attached

to

 

 

workpiece.

 

 

 

Does arc go out while cutting?

No

Do sparks come out of top of cut; or cut is not clean?

No

Is Trouble light On; unit has no cutting output?

No

Go to Section 6-5.

Yes

Yes

Yes

Be sure work clamp is securely attached to work- piece. Make sure drag shield contacts metal while cutting. Clean or replace torch consumables as necessary (see Section

6-4).

Torch travel speed too fast; reduce travel speed (see Section 4-2). Clean or replace torch consumables as necessary (see Section 6-4). Be sure work clamp is securely attached to workpiece. Unit not capable of cutting metals thicker than rating (see Section 4-1).

Check torch shield cup (see Section 6-2); reset unit Power switch. *Check torch and connections inside unit.

Go to Section 6-5.

Go to Section 6-5.

*Servicing procedure to be performed only by authorized Service Station.

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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 Principal Safety Standards EMF InformationAbout 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 yeuxPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques − Definitions I1maxI1eff − 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 PowerTrigger Safety Lock − OperationControls Pilot arc starts immediately when trigger is pressed Sequence Of Operation197 196 − Maintenance & Troubleshooting MonthsTrouble Light And Checking Shield Cup Shutdown System Checking Torch Shield Cup Shutdown SystemTorch And Work Cable Connections Torch 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 Ring 196935 196929 197567 196926 196925 196927Cup 196928 Page Page Service SupportContact your Distributor for Hobart Welding Products
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