Electrical Diagram | Hobart Welding Products OM-925, 217 694E

SECTION 8 − ELECTRICAL DIAGRAM

230 952-A

Figure 8-1. Circuit Diagram

OM-925 Page 31

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Hobart Welding Products OM-925, 217 694E manual Electrical Diagram, Circuit Diagram

Contents

OM-925217 694E 2008−10 Arc Welding Power Source Wire FeederProcesses Description Protect Your Investment From Hobart to You Table of Contents − ACCESSORIES/CONSUMABLES HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can kill Flying Metal or Dirt can injure eyes Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosion Moving Parts can cause injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injury About Implanted Medical Devices Principal Safety StandardsCalifornia Proposition 65 Warnings EMF Information Indique des instructions spécifiques Symboles utilisésUNE Décharge Électrique peut entraîner la mort LE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LA Chute DE L’APPAREIL peut blesser LE Bruit peut endommager l’ouïeLES Bouteilles peuvent exploser si elles sont endommagées Risque D’INCENDIE OU D’EXPLO- Sion LE Soudage À L’ARC risque de provoquer des interférences Proposition californienne 65 AvertissementsLES Fils DE Soudage peuvent provoquer des blessures En ce qui concerne les implants médicaux Principales normes de sécuritéInformation EMF OM-925 − Definitions − SpecificationsSymbols And Definitions Specifications Can damage unit or gun and void WarrantyDuty Cycle And Overheating Output Duty Cycle % 10.0 100 110 120 130 140 150 160 Volt-Ampere CurvesVoltage 15.0 Be sure that gun end is tight against drive assembly − InstallationInstalling Welding Gun Installing Work Clamp Changing Polarity Process/Polarity Table Do not use Argon/Mixed gas regulator/flowmeter Installing Gas SupplyFeedhead Pressure Assembly Open Feedhead Pressure Assembly Closed Do not move or operate unit Where it could tip Selecting a Location And Connecting Input Power Retaining ring used with 8 in 203 mm spool only Installing Wire Spool And Adjusting Hub TensionAlign locking hole in spool with locking pin on spool hub Use with solid or flux cored wire Installing Contact Tip And NozzleTurn off welding power source Lay gun cable out straight Threading Welding WireHold wire tightly to keep it from unraveling Desired drive roll pressure. Start With a setting of 2 or 3 on the scalePressure Indicator Scale Tighten Controls Source or -2. Do not switch under load− Operation Material Thickness Reference Chart Weld Parameter Chart 217 618-A Drive Motor Protection − Maintenance & TroubleshootingRoutine Maintenance Overload Protection Stamped Stamped .030/.035 Changing Drive Roll Or Wire Inlet GuideTurn Off power before replacing contact tip Replacing Gun Contact Tip To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting Table Circuit Diagram − Electrical Diagram Regulator Flowmeter Wire Feeder Power Source Shielding Gas− MIG Welding Gmaw Guidelines Typical MIG Process Connections 125 in = 125 a Typical MIG Process Control SettingsWire Size Amperage Range 001 in = 1 ampere Groove Welds Holding And Positioning Welding Gun Slow Normal Fast Conditions That Affect Weld Bead ShapePush Perpendicular Drag Short Normal Long Gun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Possible Causes Corrective Actions Troubleshooting − Excessive SpatterTroubleshooting − Porosity Troubleshooting − Excessive Penetration Troubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Direction Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Base metal to move Application Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Drive rolls if necessary Welding arc not stable Wire slipping in drive rollsReadjust welding parameters Welding power source Consumables − ACCESSORIES/CONSUMABLESAccessories Replacement Drive Rolls Assistance ServiceSupport Hobart Welding Products Contact your Distributor for