Hobart Welding Products OM-925, 217 694E manual 217 618-A

Page 29

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

217 618-A

OM-925 Page 25

Image 29

Contents Processes Arc Welding Power Source Wire FeederDescription OM-925217 694E 2008−10Protect Your Investment From Hobart to YouTable of Contents − ACCESSORIES/CONSUMABLES Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousWelding can cause fire or explosion Flying Metal or Dirt can injure eyesFire or Explosion hazard Welding Wire can cause injuryFalling Unit can cause injury Moving Parts can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information About Implanted Medical DevicesIndique 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 LES Bouteilles peuvent exploser si elles sont endommagées LE Bruit peut endommager l’ouïeRisque D’INCENDIE OU D’EXPLO- Sion LA Chute DE L’APPAREIL peut blesserLE 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 Symbols And Definitions − SpecificationsSpecifications − DefinitionsDuty Cycle And Overheating WarrantyOutput Duty Cycle % Can damage unit or gun and voidVoltage Volt-Ampere Curves15.0 10.0 100 110 120 130 140 150 160Installing Welding Gun − InstallationInstalling Work Clamp Be sure that gun end is tight against drive assemblyChanging Polarity Process/Polarity TableFeedhead Pressure Assembly Open Installing Gas SupplyFeedhead Pressure Assembly Closed Do not use Argon/Mixed gas regulator/flowmeterDo not move or operate unit Where it could tip Selecting a Location And Connecting Input PowerRetaining 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 Pressure Indicator Scale With a setting of 2 or 3 on the scaleTighten Desired drive roll pressure. StartControls Source or -2. Do not switch under load− Operation Material Thickness Reference Chart Weld Parameter Chart 217 618-A Routine Maintenance − Maintenance & TroubleshootingOverload Protection Drive Motor ProtectionTurn Off power before replacing contact tip Changing Drive Roll Or Wire Inlet GuideReplacing Gun Contact Tip Stamped Stamped .030/.035To Reassemble Gun Cleaning Or Replacing Gun LinerDisconnect gun from unit Replacing Switch And/Or Head Tube Trouble Remedy Troubleshooting TableCircuit Diagram − Electrical Diagram− MIG Welding Gmaw Guidelines Wire Feeder Power Source Shielding GasTypical MIG Process Connections Regulator FlowmeterWire Size Amperage Range Typical MIG Process Control Settings001 in = 1 ampere 125 in = 125 aGroove Welds Holding And Positioning Welding GunPush Perpendicular Drag Conditions That Affect Weld Bead ShapeShort Normal Long Slow Normal FastGun Movement During Welding Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Burn-Through Troubleshooting − Lack Of PenetrationTroubleshooting − Incomplete Fusion Troubleshooting − Distortion Troubleshooting − Waviness Of BeadBase metal to move DirectionApplication Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases Readjust welding parameters Welding arc not stable Wire slipping in drive rollsWelding power source Drive rolls if necessaryAccessories − ACCESSORIES/CONSUMABLESReplacement Drive Rolls ConsumablesAssistance ServiceSupport Hobart Welding Products Contact your Distributor for