Electrical Diagram | Hobart Welding Products OM-945 194 047U

SECTION 11 − ELECTRICAL DIAGRAM

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Figure 11-1. Circuit Diagram For Welding Generator (Onan And Kohler-Powered Units)

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Hobart Welding Products OM-945 194 047U manual Electrical Diagram

Contents

Description Processes From Hobart to You Table of Contents Table of Contents Arc Welding Hazards Symbol Usage Engine Hazards Compressed Air Hazards California Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference − Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereux DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures ’EXPLOSION DE LA Batterie peutLA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessures Information sur les champs électromagnétiques Principales normes de sécurité Symbol Definitions − SpecificationsWeld, Power, and Engine Specifications − Definitions Do not move or operate unit where it could tip Dimensions, Weights, and Operating AnglesGenerator Power Curve Duty Cycle Fuel Consumption All Models Volt-Ampere Curves Material Thickness Reference Chart Installing Welding Generator − Installation Engine Prestart Checks Kohler-Powered Units Engine Prestart Checks Onan-Powered UnitsFuel Oil Do not overfill battery cells Activating The Dry Charge Battery If ApplicableRead and follow all instruc Charger Installing Exhaust Pipe Connecting the Battery+ − Connect negative − cable last Selecting Weld Cable Sizes Connecting to Weld Output Terminals45 m 60 m 70 m 90 m 105 m 120 m Put terminals Amperage Selection Table For Stick Smaw Electrodes Front Panel Controls − Operating the Welding Generator Ceptacles, use − Operating Auxiliary EquipmentStandard Receptacles Wiring Optional 240 Volt Plug Optional Generator Power Receptacles − Maintenance ONAN-POWERED Units Every 1000 h Maintenance Label Onan-Powered UnitsEvery 500 h Stop engine Servicing Air Cleaner Onan-Powered Units Servicing Optional Spark Arrestor Onan-Powered Units Overload Protection Onan-Powered UnitsStop engine. Disconnect nega- tive − battery cable Stop engine and let cool Full Tools Needed Weld/Power Speed Adjustment Adjusting Engine Speed Onan-Powered UnitsIdle Speed Adjustment Every 25 h Routine Maintenance Kohler-Powered UnitsEvery 20 h Replace unreadable labels Maintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units Overload Protection Kohler-Powered Units 802 339-B / S-0842 Stop engine. Reinstall wrapper Adjusting Engine Speed Kohler-Powered Units Troubleshooting − TroubleshootingGenerator Power Welding Engine − Electrical Diagram Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment How Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying Amperes x Volts = Watts Approximate 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 Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment How Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting Amperage Typical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible − Stick 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 Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Electrode Movement During Welding Conditions That Affect Weld Bead Shape Tee Joint Butt JointsLap Joint Troubleshooting − Excessive Spatter Troubleshooting − PorosityWeld Test Possible Causes Corrective Actions Troubleshooting − Excessive Penetration Troubleshooting − Incomplete FusionTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead OM-945 Main Assembly Onan Engine Shown − Parts List Main Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Support Service Hobart Welding Products Contact your Distributor for