Electrical Diagram, Circuit Diagram | Hobart Welding Products 187

SECTION 8 − ELECTRICAL DIAGRAM

Figure 8-1. Circuit Diagram

OM-228 187 Page 30

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Hobart Welding Products 187 manual Electrical Diagram, Circuit Diagram

Contents

Description OM-228 187BProcesses 2010−01 From Hobart to You Protect Your Investment Table of Contents − Parts List Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can burn Welding can cause fire or explosion Fumes and Gases can be hazardousARC Rays can burn eyes and skin Flying Metal or Dirt can injure eyes Falling Equipment can injure Welding Wire can injureFire or Explosion hazard Moving Parts can injure EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings About Implanted Medical Devices Symboles utilisés UNE Décharge Électrique peut entraîner la mort LES Fumées ET LES GAZ peuvent être dangereux LES Pièces Chaudes peuvent provoquer des brûluresLE Soudage peut provoquer un incendie ou une explosion Risque D’INCENDIE OU LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées LA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LES Fils DE Soudage peuvent provoquer des blessures Proposition californienne 65 AvertissementsLes Pièces Mobiles peuvent causer des blessures LE Soudage À L’ARC risque de provoquer des interférences Informations relatives aux CEM Principales normes de sécuritéEn ce qui concerne les implants médicaux OM-228 187 Specifications − SpecificationsSymbols And Definitions − Definitions Amperes Duty Cycle And OverheatingVolt-Ampere Curves Output Installing Nozzle, Contact Tip, And Adapter − InstallationInstalling Welding Gun Installing Work Clamp Process/Polarity Table Turn off welding power sourceChanging Polarity Installing Gas Supply Selecting a Location And Connecting Input Power Electrical Service Guide Installing Wire Spool And Adjusting Hub Tension Threading Welding Wire Hold wire tightly to keep it from unraveling − Operation Controls OM-228 187 Weld Parameter Chart CFH 227010 Overload Protection − Maintenance & TroubleshootingRoutine Maintenance Drive Motor Protection Changing Drive Roll Or Wire Inlet Guide Thread wire according to Replacing Switch And/Or Head Tube Troubleshooting Table Trouble Remedy OM-228 187 − Electrical Diagram Circuit Diagram 228 180-A − MIG Welding Gmaw Guidelines Typical MIG Process Connections Wire Size Amperage Range Typical MIG Process Control SettingsSelect Voltage Holding And Positioning Welding Gun Groove Welds Conditions That Affect Weld Bead Shape Good Weld Bead Characteristics Poor Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Excessive Penetration Troubleshooting − Excessive SpatterTroubleshooting − Porosity Possible Causes Corrective Actions Troubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Burn-Through Troubleshooting − Waviness Of Bead Troubleshooting − Distortion Common MIG Shielding Gases Troubleshooting Guide For Semiautomatic Welding EquipmentApplication Welding arc not stable Wire slipping in drive rolls − Parts List Main Assembly Dia Part Description Quantity 228 H100S2-10 Gun 245 Optional Drive Rolls Options Support ServiceAssistance Contact your Distributor for Hobart Welding Products