Hobart Welding Products 210

OM-227 978 Page 28

SECTION 8 − ELECTRICAL DIAGRAM

Figure 8-1. Circuit Diagram

Contents

Main Handler 210 From Hobart to You Page TABLE OF CONTENTS SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage . 1-2. Arc Welding Hazards ELECTRIC SHOCK can kill. ARC RAYS can burn eyes and skin. WELDING can cause fire or explosion. FLYING METAL can injure eyes. BUILDUP OF GAS can injure or kill. HOT PARTS can cause severe burns. 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. FALLING UNIT can cause injury. OVERUSE can cause OVERHEATING STATIC (ESD) can damage PC boards. 1-5. Principal Safety Standards 1-6. EMF Information SECTION 2 CONSIGNES DE SCURIT LIRE AVANT UTILISATION 2-1. Symboles utiliss . 2-2. Dangers relatifs au soudage la rc UNE DCHARGE LECTRIQUE peut entraner la mort. LES RAYONS DARC peuvent entra- ner des brlures aux yeux et la peau. LE SOUDAGE peut provoquer un incendie ou une explosion. DES PARTICULES VOLANTES peuvent blesser les yeux. LES ACCUMULATIONS DE GAZ risquent de provoquer des blessures ou mme la mort. DES PICES CHAUDES peuvent provoquer des brlures graves. 2-3. Dangers supplmentaires en relation avec linstallation, le fonctionnement et la maintenance Risque DINCENDIE OU DEXPLO- SION. LA CHUTE DE LAPPAREIL peut blesser. LEMPLOI EXCESSIF peut SUR- CHAUFFER LQUIPEMENT. LES CHARGES LECTROSTATIQUES peuvent endommager les circuits imprims. 2-5. Principales normes de scurit 2-6. Information EMF SECTION 3 DEFINITIONS 3-1. Symbols And Definitions AAmperage VVoltage Hz Hertz Negative SECTION 4 SPECIFICATIONS 4-1. Specifications 4-2. Duty Cycle And Overheating 100 60 8070 10010 20 4030 80 60 SECTION 5 INSTALLATION 5-1. Installing Welding Gun Gun Not Seated Gun Fully Seated CorrectIncorrect 5-3. Process/Polarity Table 5-4. Changing Polarity 5-5. Installing Gas Supply . 5-6. Selecting A Location And Connecting Input Power 1 5-7. Electrical Service Guide 5-8. Installing Wire Spool And Adjusting Hub Tension Installing 8 in (203 mm) Wire Spool Installing 4 in (102 mm) Wire Spool 5-9. Installing Contact Tip And Nozzle Flux Nozzle MIG Nozzle 5-10. Connecting Optional Spool Gun CorrectIncorrect Gun Not Seated Gun Fully Seated . 5-11. Threading Welding Wire . SECTION 6 OPERATION 6-1. Controls . Page Page SECTION 7 MAINTENANCE &TROUBLESHOOTING 7-1. Routine Maintenance 7-2. Overload Protection 7-3. Drive Motor Protection 7-4. Changing Drive Roll Or Wire Inlet Guide 7-5. Replacing Gun Contact Tip 7-6. Cleaning Or Replacing Gun Liner 7-7. Replacing Switch And/Or Head Tube 7-8. Troubleshooting Table Page Page Page SECTION 9 MIG WELDING (GMAW) GUIDELINES 9-1. Typical MIG Process Connections 9-2. Typical MIG Process Control Settings 9-3. Holding And Positioning Welding Gun 9-4. Conditions That Affect Weld Bead Shape . 9-5. Gun Movement During Welding 9-6. Poor Weld Bead Characteristics 9-7. Good Weld Bead Characteristics 9-8. Troubleshooting Excessive Spatter 9-9. Troubleshooting Porosity 9-10. Troubleshooting Excessive Penetration 9-11. Troubleshooting Lack Of Penetration 9-12. Troubleshooting Incomplete Fusion 9-13. Troubleshooting Burn-Through 9-14. Troubleshooting Waviness Of Bead 9-15. Troubleshooting Distortion 9-16. Common MIG Shielding Gases 9-17. Troubleshooting Guide For Semiautomatic Welding Equipment Problem Probable Cause Remedy Page SECTION 10 PARTS LIST . Figure 10-1. Main Assembly Page Page Page 10-3. Optional Drive Rolls 10-4. Options 10-5. Consumables Page Page Warranty Questions? Call 1-800-332-3281 7 AM 6 PM EST Effective January 1, 2006 * 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 Protect Your Investment! Register your product at: HobartWelders.com