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Hobart Welding Products OM-230 455D manual Sequence Of Piercing Operation, position 90 to surface

Models: OM-230 455D

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5-6. Sequence Of Piercing Operation

Y The pilot arc starts immediately when trigger is pressed.

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

Hold torch at an angle to

the workpiece. Press trigger. Pilot arc starts.

Move torch to upright	Maintain torch position	Release trigger. Postflow cooling
°	and continue cutting.	continues after releasing trigger.
position 90 to surface.		. Postflow must finish before
Start cutting when arc		. Postflow must finish before
pierces workpiece.		trigger will restart pilot arc.
		trigger will restart pilot arc.

Ref. 803 640-A / 801 400-B

OM-230 455 Page 19

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Hobart Welding Products OM-230 455D manual Sequence Of Piercing Operation, position 90 to surface, pierces workpiece

Contents

Processes AirForce 250ciAnd HP-25 Torch OM-230 455DFrom Hobart to You Protect Your InvestmentWARRANTY TABLE OF CONTENTSSECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USING SECTION 6 − MAINTENANCE & TROUBLESHOOTINGPage Y Marks a special safety message 1-1. Symbol Usage1-2. Plasma Arc Cutting Hazards SECTION 1 − SAFETY PRECAUTIONS - READ BEFORE USINGNOISE can damage hearing EXPLODING PARTS can injureFLYING SPARKS can cause injury ARC RAYS can burn eyes and skinFALLING UNIT can cause injury 1-3. Additional Symbols For Installation, Operation, And Maintenance1-4. California Proposition 65 Warnings HOT PARTS can cause severe burnsAbout Pacemakers 1-5. Principal Safety Standards1-6. EMF Information LE COUPAGE présente un risque de feu ou d’explosion 2-1. Signification des symboles2-2. Dangers liés au coupage à l’arc au plasma SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATIONLE BRUIT peut endommager l’ouïe DÉCHARGES ÉLECTRIQUES poten- tiellement mortellesRisque de blessure en cas D’EXPLOSION DES PIÈCES LES ÉTINCELLES VOLANTES ris- quent de provoquer des blessuresRisque D’INCENDIE OU D’EXPLOSION DES PIECES CHAUDES peuvent pro- voquer des brûlures gravesDES ORGANES MOBILES peuvent provoquer des blessures LA CHUTE DE L’APPAREIL peut blesserConsignes relatives aux stimulateurs cardiaques 2-4. Principales normes de sécurité2-5. Information sur les champs électromagnétiques LE COUPAGE Ã L’ARC peut causer des interférencePage 4-3. Duty Cycle And Overheating SECTION 4 − INSTALLATION4-1. Specifications For Power Source 4-2. Specifications For TorchMovement, Location And Airflow 4-4. Torch Dimensions And Weight4-5. Selecting A Location Dimensions And WeightPhase 4-6. Connecting Work Clamp4-7. Electrical Service Guide For 120 VAC 4-8. Extension Cord DataGenerator settings, if applicable 4-9. Connecting Input Power4-10. Generator Or Inverter Requirements Ref. 804 885-A 4-11. Cable Management Strap4-12. Electrode Wrench 804 885-A5-2. Recommended Cutting Speed For Material Thickness SECTION 5 − OPERATION5-1. Controls 5-3. Plasma Cutting System Practices EXAMPLE Of Cutting Operation 5-4. Sequence Of Cutting Operationwhen trigger is pressed Y The pilot arc starts immediatelyand at the torch. It will be normal to sometimes see 5-5. Sequence Of Cutting Using Stand-off Guidewhen trigger is pressed EXAMPLE Of Cutting Using Stand-off Guidepierces workpiece 5-6. Sequence Of Piercing Operationposition 90 to surface before maintaining SECTION 6 − MAINTENANCE & TROUBLESHOOTING6-1. Routine Maintenance Y Disconnect powerChecking Torch Shield Cup Shutdown System 6-2. Trouble Lights And Checking Shield Cup Shutdown SystemAlways turn Off power source when changing or checking consumables Electrode Wrench 6-3. Checking/Replacing Retaining Cup, Tip, And ElectrodeY Turn Off power source before checking torch parts disconnect input power 6-4. Compressor Filter Cleaning And ReplacementWork Cable Connections 6-5. Torch And Work Cable Connectionsdisconnect input power Torch ConnectionsCheck torch consumables see Sections 6-2 and 6-6. Troubleshooting Power SourceIs input power connected to correct line voltage? clamp 6-7. Troubleshooting Torchsecurely attached to a clean torchFigure 7-1. Circuit Diagram SECTION 7 − ELECTRICAL DIAGRAMRecommended Spare Parts SECTION 8 − PARTS LIST8-1. Recommended Spare Parts HP-25MATERIAL THICKNESS GAUGE Page Call Warranty Questions?Service Effective January 1Please complete and retain with your personal records To locate a Distributor, retail or service locationOwner’s Record Resources Available

5-6. Sequence Of Piercing Operation

position 90 to surface.

pierces workpiece.