Hobart Welding Products OM-928 specifications Troubleshooting Torch

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4-6. Troubleshooting Torch

Does arc go on and off while cutting?

No

 

Torch travel speed too slow;

 

 

increase travel speed (see

 

Yes

Section 3-2). Clean or

 

 

replace torch consumables

Go to Section 4-5.

 

 

as necessary (see Section

 

 

 

4-4). 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 4-5.

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

4-4).

Torch travel speed too fast; reduce travel speed (see Section 3-2). Clean or replace torch consumables as necessary (see Section 4-4). Be sure work clamp is securely attached to workpiece. Unit not capable of cutting metals thicker than rating (see Section 2-1).

Check torch shield cup (see Section NO TAG); reset unit Power switch. *Check torch and connections inside unit.

Go to Section 4-5.

Go to Section 4-5.

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

OM-928 Page 19

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Contents Description OM-928Processes From 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 skinOveruse can cause Overheating HOT Parts can cause severe burnsMoving Parts can cause injury Flying Metal can injure eyesAbout Pacemakers Principal Safety StandardsEMF Information Identifie un message de sécurité particulier Signification des symbolesLE Coupage présente un risque d e feu ou d’explosion UNE Décharge Électrique peu t entraîner la mortLES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeLES Fumées ET LES GAZ peuvent être dangereux LE Plasma D’ARC peut entraîner des blessuresPrincipales normes de sécurité Consignes relatives aux stimulateurs cardiaques Information sur les champs électromagnétiquesDuty Cycle And Overheating InstallationSpecifications For Power Source Specifications For TorchMovement1 Location And Airflow Torch Dimensions And WeightDimensions And Weight Selecting a LocationWork Clamp Workpiece Connecting Work Clamp Connecting Input PowerCutting Speed OperationControls 196 Trigger Safety LockPilot arc starts immediately when trigger is pressed Sequence Of OperationMonths Maintenance & TroubleshootingChecking Torch Shield Cup Shutdown System Trouble Light And Checking Shield Cup Shutdown SystemWork Cable Connections Torch And Work Cable ConnectionsTorch 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 Ring Torch, ICE-12CPage Page Page Support ServiceHobart Welding Products Contact your Distributor for