Hobart Welding Products 250A manual Maintenance & Troubleshooting, Months

Page 19

SECTION 6 − MAINTENANCE & TROUBLESHOOTING

6-1.

Routine Maintenance

 

 

Y Disconnect power

. Maintain more often

 

before maintaining.

during severe conditions.

 

Each Use

 

 

Check

 

 

Torch Tip,

 

 

Electrode,

 

 

And Shield

 

 

Cup

 

 

Every Week

 

 

Check

 

 

Shield Cup

 

 

Shutdown

 

 

System

 

 

3 Months

 

 

Replace

 

 

Damaged Or

 

 

Unreadable

 

 

Labels

 

 

Replace

 

 

Cracked

 

 

Parts

 

 

Torch Body, Cable

 

Tape Torn

 

 

Outer

 

 

Covering

 

 

6 Months

 

 

Check Compressor Filter −

Blow Out Or

 

Clean With A Damp Cloth

 

Or Replace If Necessary

Vacuum Inside

 

(Compressor Model Only)

 

 

 

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Contents Description ProcessesFrom Hobart to You Table of Contents Page Cutting can cause fire or explosion Symbol UsageMarks a special safety message Plasma Arc Cutting HazardsNoise can damage hearing Exploding Parts can injureFlying Sparks can cause injury ARC Rays can burn eyes and skinCalifornia Proposition 65 Warnings EMF Information Principal Safety StandardsAbout Pacemakers Identifie un message de sécurité particulier Signification des symbolesLE Coupage présente un risque de feu ou d’explosion UNE Décharge Électrique peut entraîner la mortLE Plasma D’ARC peut entraîner des blessures Risque de blessure en casLE Bruit peut endommager l’ouïe LES Fumées ET LES GAZ peuvent être dangereuxDES Particules Volantes peuvent blesser les yeux LES Bouteilles peuvent exploser si elles sont endommagéesDES Pieces Chaudes peuvent pro- voquer des brûlures graves DES Organes Mobiles peuvent provoquer des blessuresInformation sur les champs électromagnétiques Principales normes de sécuritéConsignes relatives aux stimulateurs cardiaques I1max − DefinitionsI1eff Duty Cycle And Overheating − InstallationSpecifications For Power Source Specifications For TorchMovement Location And Airflow Torch Dimensions And WeightDimensions And Weight Selecting a LocationConnecting Input Power Connecting Work Clamp− Operation Trigger Safety LockControls Sequence Of Operation Pilot arc starts immediately when trigger is pressed197 196 Months − Maintenance & TroubleshootingChecking Torch Shield Cup Shutdown System Trouble Light And Checking Shield Cup Shutdown SystemTorch Connections Torch And Work Cable 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 196935 196929 197567 196926 196925 196927 RingCup 196928 Page Page Support ServiceHobart Welding Products Contact your Distributor for
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