Hobart Welding Products OM-493 manual Electrical Diagram, Circuit Diagram For Welding Generator

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SECTION 9 – ELECTRICAL DIAGRAM

ST-191 080-A

Figure 9-1. Circuit Diagram For Welding Generator

OM-493 Page 28

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Contents Description OM-493Processes From Hobart to You Table of Contents Page Symbol Usage Arc Welding HazardsElectric Shock can kill ARC Rays can burn eyes and skinEngine Hazards Battery Explosion can Blind Moving Parts can cause injuryEngine Exhaust Gases can kill Engine Heat can cause firePrincipal Safety Standards EMF InformationRadiation can cause interference ARC Welding can cause interferenceSignification des symboles Consignes DE Sécurité Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie LA Chute DE L’APPAREIL peut blesserPrincipales normes de sécurité Information sur les champs électromagnétiquesLE Soudage À L’ARC risque de provoquer des interférences Consignes relatives aux stimulateurs cardiaquesSpecifications Symbol DefinitionsWeld, Power, and Engine Specifications DefinitionsDimensions Dimensions, Weights, and Operating AnglesAuxiliary Power Curve Exceeding duty cycle can damage unit and void warranty Fuel ConsumptionDuty Cycle Continuous WeldingInstallation Installing Welding GeneratorVolt-Ampere Curve Movement Do not lift unit from end Airflow ClearanceEngine Prestart Checks FuelActivating The Dry Charge Battery If Applicable Do not overfill battery cellsRead and follow all instruc ChargerConnecting the Battery Installing Exhaust PipeTools Needed 1/2 Connect negative cable lastConnecting to Weld Output Terminals Selecting Weld Cable Sizes100 ft 30 m Or Less 10 100% Duty CycleEngine Control Switch Do not switch under loadOperating the Welding Generator Front Panel ControlsOperating Auxiliary Equipment Standard ReceptaclesWeld Current 120V 240VOptional Auxiliary Power Receptacles GeneratorGfci Receptacle Option 120 V 20 a AC Gfci RecepMaintenance Maintenance Label Servicing Air Cleaner Stop engine. Disconnect negative battery cableOverload Protection Stop engineChanging Engine Oil, Oil Filter, and Fuel Filter Full Tools NeededStop engine and let cool Oil Drain Valve 2 ID x 12 in Hose Oil FilterWeld/Power Speed Adjustment Adjusting Engine SpeedIdle Speed Adjustment Servicing Optional Spark Arrestor Troubleshooting Auxiliary PowerWelding Trouble RemedySwitch S2, and throttle solenoid TS1 EngineElectrical Diagram Circuit Diagram For Welding GeneratorGrounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP xTypical Connections To Supply Standby Power 240 120 GroundSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesStick Welding Smaw Guidelines Stick Welding ProcedureWeld current starts when electrode touches work- piece Striking an Arc Tapping Technique Electrode and Amperage Selection ChartStriking an Arc Scratch Start Technique Poor Weld Bead Characteristics Good Weld Bead CharacteristicsPositioning Electrode Holder 10-30 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingButt Joints Lap JointTee Joint 16 in 1.6 mm Tack WeldsTroubleshooting Porosity Troubleshooting Excessive SpatterWeld Test Possible Causes Corrective ActionsTroubleshooting Excessive Penetration Troubleshooting Incomplete FusionTroubleshooting Lack Of Penetration Troubleshooting Distortion Troubleshooting Burn-ThroughTroubleshooting Waviness Of Bead Parts List 12-3Dia Part Description Mkgs Quantity Panel, Front w/Components Panel, Front w/Components -1 Item Generator -1 Item Page Page Service SupportCall Contact your Distributor forHobart Welding Products