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Hobart Welding Products OM-240 438B manual

Models: OM-240 438B

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OM-240 438 Page 65

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Hobart Welding Products OM-240 438B manual

Contents

OM-240 438B ProcessesDescription Protect Your Investment From Hobart to YouTable of Contents 10-2 10-110-3 11-1Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can burnBuildup of GAS can injure or kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionHydraulic Hazards Engine HazardsCompressed Air Hazards Use only genuine replacement parts from the manufacturerHydraulic Fluid can injure or kill Compressed AIR Equipment can injure or killFire or Explosion hazard Welding Wire can injureFalling Equipment can injure Overheating can damage motorsCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationRadiation can cause interference ARC Welding can cause interference− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer Indique des instructions spécifiquesLES Fumées ET LES GAZ peu- vent être dangereux LES Pièces Chaudes peuvent provoquer des brûluresLE Soudage peut provoquer un incendie ou une explosion LE Bruit peut affecter l’ouïeLes Pièces Mobiles peuvent causer des blessures ’EXPLOSION DE LA Batterie peut provoquer des blessuresLes Pièces Mobiles peuvent causer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieLire LES Instructions LES Fils DE Soudage peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’ÉQUIPEMENT peut provoquer des blessures LE Surchauffement peut endommager le moteur électriqueProposition californienne 65 Avertissements Principales normes de sécuritéLE Soudage À L’ARC risque de provoquer des interférences En ce qui concerne les implants médicaux Informations relatives aux CEMSymbol Definitions − SpecificationsWeld, Power, and Engine Specifications − DefinitionsDimensions, Weights, And Operating Angles Complete Parts List is available at wwwHobartWelders.comWeight 562 lb 254 kg Dimensions Dimensions For Units With Optional Running GearDuty Cycle Welding AmperesFuel Consumption Kohler-Powered Units Fuel Consumption Subaru-Powered UnitsFor CC/AC Mode Generator Power CurveFor CC/DC Mode Volt-Ampere Curves− Installation Installing Welding GeneratorSerial Number And Rating Label Location Grounding Generator To Truck Or Trailer Frame Engine Prestart Checks Subaru-Powered Units Oil CheckOil Engine Prestart Checks Kohler-Powered Units FullTo improve cold weather starting Connecting Or Replacing the Battery Installing Exhaust PipeConnect negative − battery cable last + − + −Connecting To Weld Output Terminals Stop engine Failure to properly connectTools Needed 3/4 150 ft 200 ft 250 ft Selecting Weld Cable Sizes350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m 100 150 200 250− Operating the Welding Generator Engine Control SwitchFront Panel Controls Fine ControlInfrequently Cold Weather Engine OperationLoaded FrequentlyTypical Stick Welding Connections And Control Settings Stop engineElectrode Standard Receptacles − Operating Auxiliary EquipmentWiring Optional 240 Volt Plug Simultaneous Weld And PowerCurrent Available in Amperes 240 ReceptacleMaintenance Label Subaru-Powered Units − Maintenance SUBARU-POWERED UnitsStop engine before maintaining Routine Maintenance Subaru-Powered Units100 200Servicing Air Cleaner Subaru-Powered Units Servicing Optional Spark Arrestor Subaru-Powered UnitsStop engine and let cool Oil Drain Valve Oil Filter Oil Fill Oil CheckIdle Speed Adjustment Adjusting Engine Speed Subaru-Powered UnitsOverload Protection Subaru-Powered Units Stop engine. Disconnect negative − battery cableFuse F1 See Section Maintenance Label Kohler-Powered Units − Maintenance − KOHLER-POWERED UnitsHours Nl Weld Cables ~ Slip Rings Nl Brushes OM-240 438 Routine Maintenance Kohler-Powered UnitsServicing Air Cleaner Kohler−Powered Units 2 ID x 7 in Hose Oil Filter Stop engine and let cool Oil Drain ValveClose valve and valve cap Full Before adding oil Running engineAdjustment Nut Adjusting Engine Speed Kohler-Powered UnitsLoosen lock nut. Turn adjustment Turn idle speed screw for fine ad- justmentsOverload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered UnitsIf a fuse opens, it usually indi Welding Troubleshooting − TroubleshootingGenerator Power Troubleshooting Trouble RemedyEngine Troubleshooting Check receptacle wiring and connectionsCheck fuel level Control switch S2, and throttle solenoid TS1 − Parts ListRecommended Spare Parts Recommended Spare PartsSOCKET/WRENCH Selection Table Standard Metric Circuit Diagram For Welding Generator − Electrical Diagrams240 424-A Selecting Equipment − Generator Power GuidelinesHow Much Power Does Equipment Require? Grounding When Supplying Building SystemsUse ground device as stated Electrical codesApproximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 / Volts = Starting AmperageTional, state, and local codes Typical Connections To Supply Standby PowerSelecting Extension Cord Use Shortest Cord Possible − Stick Welding Smaw Guidelines Stick Welding ProcedureElectrode touches work Tools Needed Equipment Needed Piece Weld current can damageStriking an Arc Electrode and Amperage Selection ChartScratch Technique Tapping TechniqueGood Weld Bead Characteristics Poor Weld Bead CharacteristicsPositioning Electrode Holder Groove Welds Fillet WeldsConditions That Affect Weld Bead Shape Electrode Movement During WeldingElectrode Angle Butt Joints Lap JointTee Joint Weld Test TroubleshootingTo 3 51-76 mm .4 mm Possible Causes Corrective ActionsLack of Penetration Good Penetration Good Penetration Excessive PenetrationMetal remains OM-240 438 OM-240 438 OM-240 438 Service SupportAssistance Hobart Welding Products Contact your Distributor for