Hobart Welding Products 217 694E, OM-925

.A complete Parts List is available at www.HobartWelders.com

OM-925 Page 25

217 618-A

Contents

Main 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 or DIRT can injure eyes. BUILDUP OF GAS can injure or kill. MAGNETIC FIELDS can affect Implanted Medical Devices. 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. FALLING UNIT can cause injury. OVERUSE can cause OVERHEATING FLYING SPARKS can cause injury. 1-4. California Proposition 65 Warnings 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 larc UNE DCHARGE LECTRIQUE peut entraner la mort. DES PICES CHAUDES peuvent provoquer des brlures graves. LES FUMES ET LES GAZ peuvent tre dangereux. LES RAYONS DE LARC peuvent provoquer des brlures dans les yeux et sur la peau. LE SOUDAGE peut provoquer un in cendie ou une explosion. DES PIECES DE METAL ou DES SALETES peuvent provoquer des blessures dans les yeux. 2-3. Risque DINCENDIE OU DEXPLO- SION. LA CHUTE DE LAPPAREIL peut blesser. LEMPLOI EXCESSIF peut SUR- CHAUFFER LQUIPEMENT. LES TINCELLES VOLANTES ris- quent de provoquer des blessures. 2-4. Proposition californienne 65 Avertissements 2-5. Principales normes de scurit 2-6. Information EMF Page SECTION 3 DEFINITIONS 3-1. Symbols And Definitions * CSA Rating AAmperage VVoltage Hz Hertz Negative SECTION 4 SPECIFICATIONS 4-1. Specifications 4-2. Duty Cycle And Overheating Duty Cycle % A or V Output Amperes 4-3. Volt-Ampere Curves SECTION 5 INSTALLATION 5-1. Installing Welding Gun Gun Not Seated Gun Fully Seated Correct Incorrect 5-3. Process/Polarity Table 5-4. Changing Polarity 5-5. Installing Gas Supply . 5-6. Selecting A Location And Connecting Input Power ! 5-7. Installing Wire Spool And Adjusting Hub Tension Installing 8 in (203 mm) Wire Spool Installing 4 in (102 mm) Wire Spool 5-8. Installing Contact Tip And Nozzle ! Flux Nozzle (Optional) MIG Nozzle (Standard) 5-9. Threading Welding Wire . 3 12 . 4 5 8 9 6 7 SECTION 6 OPERATION 6-1. Controls . Notes Page Page SECTION 7 MAINTENANCE & TROUBLESHOOTING 7-1. Routine Maintenance ! 3 Months 6 Months 7-4. Changing Drive Roll Or Wire Inlet Guide 7-5. Replacing Gun Contact Tip ! 7-6. Cleaning Or Replacing Gun Liner ! 3 1 2 7-7. Replacing Switch And/Or Head Tube ! 7-8. Troubleshooting Table 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 ACCESSORIES/CONSUMABLES 10-1. Accessories 10-2. Consumables 10-3. Replacement Drive Rolls 10-4. Regulator/Flowmeter Effective January 1, 2008 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