Hobart Welding Products 180, H-10 GUN manual OM-925

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OM-925 Page 41

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Contents Description ProcessesFrom Hobart to You Table of Contents − Parts List Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Signification des symbolesLES Décharges Électriques peuvent être mortelles LES Fumées ET LES GAZ peuvent être dangereuxLES Particules Projetées peu- vent blesser les yeux LE Soudage peut causer un incen- die ou une explosionLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques Symbols And Definitions − SpecificationsSpecifications − DefinitionsAmperes Duty Cycle And OverheatingOutput Duty Cycle % VAC Model Output AmperesVolt-Ampere Curves VoltageAmperage − Installation Installing Welding GunInstalling Work Clamp Changing Polarity Process/Polarity TableInstalling Gas Supply Section Special installation may beDo not move or operate unit where it could tip Installing Wire Spool And Adjusting Hub Tension Electrical Service Guide For 230 VAC ModelHold wire tightly to keep it From unraveling Threading Welding WireControls − OperationWeld Parameter Chart For 115 VAC Model 217 618-A Weld Parameter Chart For 230 VAC Model 217 754-B Routine Maintenance − Maintenance &TROUBLESHOOTINGOverload Protection Drive Motor ProtectionChanging Drive Roll Or Wire Inlet Guide Turn Off power before replacing contact tipReplacing Gun Contact Tip Cleaning Or Replacing Gun Liner Disconnect gun from unitTo Reassemble Gun Replacing Switch And/Or Head Tube Troubleshooting Table Trouble RemedyDoes not run Circuit Diagram For 115 VAC Model − Electrical DiagramCircuit Diagram For 230 VAC Model Typical MIG Process Connections − MIG Welding Gmaw GuidelinesWire Size Amperage Range Typical MIG Process Control SettingsThickness to Amperage a Select VoltageHolding And Positioning Welding Gun Conditions That Affect Weld Bead Shape Poor Weld Bead Characteristics Good Weld Bead CharacteristicsGun Movement During Welding Troubleshooting − Porosity Troubleshooting − Excessive SpatterTroubleshooting − Excessive Penetration Possible Causes Corrective ActionsTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Burn-Through Troubleshooting − Distortion Troubleshooting − Waviness Of BeadWire does not feed Troubleshooting Guide For Semiautomatic Welding EquipmentCommon MIG Shielding Gases ApplicationWelding arc not stable Wire slipping in drive rolls OM-925 Main Assembly − Parts ListDia Part Description Quantity Dia Part Description Quantity Mkgs 195 H-10 GunOptions Optional Drive RollsSupport ServiceHobart Welding Products Contact your Distributor for