Hobart Welding Products 250A manual Torch And Work Cable Connections, Torch Connections

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6-3. Torch And Work Cable Connections

4	5 8	6
7

1

5 6

2

2

4 3

3

4 5 8 6

Tools Needed:

5/8 in

If torch or work cable needs to be removed or replaced, proceed as follows:

Turn power Off, and disconnect input power plug from receptacle. Remove wrapper from unit.

Torch Connections

Remove existing torch cable from unit.

1Strain Relief

2Torch Cable

Insert cable through strain relief. Slide strain relief nut onto torch cable, but do not tighten.

3 Air Line Connector

Install air line connector onto compressor fitting.

4 Plug PLG4/Receptacle RC4

Connect PLG4 to receptacle RC4 on circuit board PC1.

5Female And Male Friction Terminal RC11/ELECT

WHITE

Connect female friction terminal on end of white leads to RC11/ELECT

WHITE.

6Female And Male Friction Terminal RC7/PILOT RED

Connect female friction terminal on end red leads to RC7/PILOT RED.

Tighten strain relief nut.

Tighten strain relief around cable.

Work Cable Connections

Remove existing work cable from unit.

7 Strain Relief

.Be sure to allow some work cable slack inside the unit.

Insert work clamp lead through strain relief, and install strain relief into front panel.

8Work Lead Male Friction Terminal

Connect work clamp lead to male friction terminal labeled WORK LEAD on circuit board PC1. Route lead along torch lead bundle.

Ref. 803 936-A / Ref. 801 300-B / 199 088

OM-928 Page 17

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Contents Description ProcessesFrom Hobart to You Table of Contents Page Marks a special safety message Symbol UsagePlasma Arc Cutting Hazards Cutting can cause fire or explosionFlying Sparks can cause injury Exploding Parts can injureARC Rays can burn eyes and skin Noise can damage hearingCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers LE Coupage présente un risque de feu ou d’explosion Signification des symbolesUNE Décharge Électrique peut entraîner la mort Identifie un message de sécurité particulierLE Bruit peut endommager l’ouïe Risque de blessure en casLES Fumées ET LES GAZ peuvent être dangereux LE Plasma D’ARC peut entraîner des blessuresDES Pieces Chaudes peuvent pro- voquer des brûlures graves LES Bouteilles peuvent exploser si elles sont endommagéesDES 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 Specifications For Power Source − InstallationSpecifications For Torch Duty Cycle And OverheatingDimensions And Weight Torch Dimensions And WeightSelecting a Location Movement Location And AirflowConnecting Input Power Connecting Work ClampTrigger Safety Lock − OperationControls Pilot arc starts immediately when trigger is pressed Sequence Of Operation197 196 Months − Maintenance & TroubleshootingChecking Torch Shield Cup Shutdown System Trouble Light And Checking Shield Cup Shutdown SystemTorch And Work Cable Connections Torch ConnectionsWork Cable Connections Checking/Replacing Retaining Cup, Tip, And Electrode Turn Off power source before checking torch partsTroubleshooting Power Source Troubleshooting Torch Circuit Diagram − Electrical DiagramMain Assembly − Parts ListDia Part Description Quantity Mkgs Ring Ring 196935 196929 197567 196926 196925 196927Cup 196928 Page Page Support ServiceHobart Welding Products Contact your Distributor for

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