Hobart Welding Products 250A

OM-928 Page 21

SECTION 7 − ELECTRICAL DIAGRAM

213 899-A

Figure 7-1. Circuit Diagram

Contents

Main AirForce 250A And ICE-12C Torch From Hobart to You TABLE OF CONTENTS Page SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage ELECTRIC SHOCK can kill. . 1-2. Plasma Arc Cutting Hazards EXPLODING PARTS can injure. FLYING SPARKS can cause injury. ARC RAYS can burn eyes and skin. NOISE can damage hearing. FUMES AND GASES can be hazardous. 1-3. Additional Symbols For Installation, Operation, And Maintenance HOT PARTS can cause severe burns. MOVING PARTS can cause injury. FLYING METAL can injure eyes. MAGNETIC FIELDS can affect pacemakers. 1-5. Principal Safety Standards 1-6. EMF Information SECTION 2 CONSIGNES DE SCURIT LIRE AVANT UTILISATION 2-1. Signification des symboles . 2-2. Dangers lis au coupage larc au plasma LE COUPAGE prsente un risque de feu ou dexplosion. Risque de blessure en cas DEXPLOSION DES PICES. LES TINCELLES VOLANTES ris- quent de provoquer des blessures. LES RAYONS DARC peuvent entra- ner des brlures aux yeux et la peau. LE BRUIT peut endommager loue. LES FUMES ET LES GAZ peuvent tre dangereux. 2-3. Dangers supplmentaires en relation avec linstallation, le fonctionnement et la maintenance 2-4. Principales normes de scurit 2-5. Information sur les champs lectromagntiques Page SECTION 4 INSTALLATION 4-1. Specifications For Power Source 4-2. Specifications For Torch 4-3. Duty Cycle And Overheating 4-4. Torch Dimensions And Weight 4-5. Selecting A Location . 4-6. Connecting Work Clamp 4-7. Connecting Input Power SECTION 5 OPERATION 5-1. Controls OFF ON POWER CUP TEMP INPUT VOLTAGE 5-2. Trigger Safety Lock 5-3. Sequence Of Operation . Non-Shielded Cutting . Drag Cutting SECTION 6 MAINTENANCE & TROUBLESHOOTING 6-1. Routine Maintenance Each Use Every Week 3 Months 6-2. Trouble Light And Checking Shield Cup Shutdown System CUP TEMP INPUT VOLTAGE 6-3. Torch And Work Cable Connections . 6-4. Checking/Replacing Retaining Cup, Tip, And Electrode 6-5. Troubleshooting Power Source 6-6. Troubleshooting Torch Page SECTION 8 PARTS LIST . Figure 8-1. Main Assembly Page Part No. Item No. Description Figure 8-2. Torch, ICE-12C Page Page Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. Effective January 1, 2004 * Original Main Power Rectifiers * Transformers * Stabilizers * Reactors Please complete and retain with your personal records. Resources Available Always provide Model Name and Serial/Style Number. Owners Record