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Hobart Welding Products 4500 manual Electrical Diagrams, 1. Circuit Diagram For Welding Generator

Models: 4500

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SECTION 10 − ELECTRICAL DIAGRAMS

226 004-A

Figure 10-1. Circuit Diagram For Welding Generator

OM-4418 Page 29

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Hobart Welding Products 4500 manual Electrical Diagrams, 1. Circuit Diagram For Welding Generator, 226 004-A

Contents

ENGLISH ESPAÑOL ChampionROM-4418210 597K ProcessesFrom Hobart to You SECTION 8 − MAINTENANCE TABLE OF CONTENTSWARRANTY SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATIONPage 1-2. Arc Welding Hazards 1-1. Symbol UsageSECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING ELECTRIC SHOCK can killBUILDUP OF GAS can injure or kill FUMES AND GASES can be hazardousARC RAYS can burn eyes and skin WELDING can cause fire or explosion1-4. Compressed Air Hazards 1-3. Engine HazardsBATTERY EXPLOSION can BLIND Using a generator indoors CAN KILL YOU IN MINUTESWELDING WIRE can cause injury 1-5. Additional Symbols For Installation, Operation, And MaintenanceHOT PARTS can cause burns and injury READ INSTRUCTIONS1-6. California Proposition 65 Warnings 1-7. Principal Safety Standards1-8. EMF Information H.F. RADIATION can cause interferenceSECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 2-1. Signification des symboles2-2. Dangers relatifs au soudage à l’arc UN CHOC ÉLECTRIQUE peut tuerLES FUMÉES ET LES GAZ peu- vent être dangereux DES PIÈCES CHAUDES peuvent provoquer des brûlures gravesLE SOUDAGE peut provoquer un incendie ou une explosion LE BRUIT peut affecter l’ouïeLES CHAMPS MAGNETIQUES peuvent affecter des implants médicaux 2-3. Dangers existant en relation avec le moteurSi des BOUTEILLES sont endomma- gées, elles pourront exploser L’EXPLOSION DE LA BATTERIE peut RENDRE AVEUGLELA CHALEUR DU MOTEUR peut pro- voquer un incendie 2-4. Dangers liés à l’air compriméLES ÉTINCELLES À L’ÉCHAPPEMENT peuvent provoquer un incendie L’AIR COMPRIMÉ peut provoquer des blessuresLES ÉTINCELLES VOLANTES ris- quent de provoquer des blessures LE SURCHAUFFEMENT peut endom- mager le moteur électriqueDES ORGANES MOBILES peuvent provoquer des blessures LES FILS DE SOUDAGE peuvent provoquer des blessures2-7. Principales normes de sécurité 2-6. Proposition californienne 65 Avertissements2-8. Information EMF Pour les moteurs à essence3-1. Symbol Definitions SECTION 4 − SPECIFICATIONS4-1. Weld, Power, And Engine Specifications SECTION 3 − DEFINITIONS4-3. Fuel Consumption 4-2. Dimensions, Weights, And Operating AnglesDo not move or operate unit where it could tip Aux PowerAC Power Volts 4-5. Generator Power CurveAC Power Amperes 4-4. Duty Cycle4-6. Volt-Ampere Curves Work like a ProVolts Max Amp5-1. Installing Welding Generator SECTION 5 − INSTALLATION5-2. Rating Label Location Evidence of label tampering voids warranty5-3. Grounding Generator To Truck Or Trailer Frame 5-4. Grounding Generator When Supplying Building SystemsAlso see AWS Safety Always groundAlways close fuel valve after 5-5. Engine Prestart ChecksClose fuel valve before moving unit or carburetor may flood and make starting difficultnal and copper bar are clean 5-6. Connecting To Weld Output TerminalsFailure to properly connect weld cables may cause exWork like a Pro Selecting Weld Cable Sizes20 Gauge .037 in 18 Gauge .050 in 16 Gauge .063 in MATERIAL THICKNESS REFERENCE CHART 24 Gauge .025 in 22 Gauge .031 in14 Gauge .078 in 1/8 in .125 in 3/16 in .188 in 1/4 in .25 in 5/16 in .313 in 3/8 in .375 in 1/2 in .5 inSECTION 6 − OPERATING THE WELDING GENERATOR Controls See Section803 468-D / 803 469-D / 226 6-3. Amperage Selection Table For Stick SMAW Electrodes 6-2. Description Of Controls See SectionThis unit has a low oil level shutdown to Always close fuel valve after stoppingSECTION 7 − OPERATING AUXILIARY EQUIPMENT 7-1. Generator Power Panel ReceptaclesGenerator power decreases as weld current increases Set Amperage control at max. for full generator power8-1. Routine Maintenance SECTION 8 − MAINTENANCEfor important start-up, service, and storage information. Service engine more often ifStop engine 8-2. Servicing Air Cleaner9-1. Troubleshooting SECTION 9 − TROUBLESHOOTINGB. Generator Power A. WeldingTrouble C. EngineRemedy TroubleSECTION 10 − ELECTRICAL DIAGRAMS Figure 10-1. Circuit Diagram For Welding Generator226 004-A 11-1. Selecting Equipment SECTION 11 − GENERATOR POWER GUIDELINES11-2. Grounding Generator To Truck Or Trailer Frame Be sure equipment has double insulated symbol and/or word- ing on it11-4. How Much Power Does Equipment Require? 11-3. Grounding When Supplying Building SystemsUse ground device as stated in electrical codes Amperes x Volts = Watts11-6. Approximate Power Requirements For Farm/Home Equipment 11-5. Approximate Power Requirements For Industrial MotorsIndustrial Motors RatingContractor 11-7. Approximate Power Requirements For Contractor EquipmentRating Starting Watts11-9. How Much Power Can Generator Supply? 11-8. Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements Motor StartCustomer-supplied equipment 11-10. Typical Connections To Supply Standby PowerCord Lengths for 120 Volt Loads 11-11. Selecting Extension Cord Use Shortest Cord PossibleMaximum Allowable Cord Length in ft m for Conductor Size AWG CurrentSECTION 12 − STICK WELDING SMAW GUIDELINES 12-1. Stick Welding Procedure12-3. Striking an Arc − Scratch Start Technique 12-2. Electrode and Amperage Selection Chart12-4. Striking an Arc − Tapping Technique workpiece, use a quick twist to free it12-7. Good Weld Bead Characteristics 12-6. Poor Weld Bead Characteristics12-5. Positioning Electrode Holder S-006012-8. Conditions That Affect Weld Bead Shape 12-9. Electrode Movement During WeldingSlow 12-11. Lap Joint 12-10. Butt Joints12-12. Tee Joint S-066212-15. Troubleshooting − Excessive Spatter 12-14. Troubleshooting − Porosity12-13. Weld Test Possible Causes12-17. Troubleshooting − Lack Of Penetration 12-16. Troubleshooting − Incomplete Fusion12-18. Troubleshooting − Excessive Penetration Possible Causes12-20. Troubleshooting − Waviness Of Bead 12-19. Troubleshooting − Burn-Through12-21. Troubleshooting − Distortion Possible CausesOM-4418 Page Work like a ProSECTION 13 − PARTS LIST Figure 13-1. Main Assembly803 470-E Mkgs Figure 13-1. Main AssemblyStart Your Professional Welding Career Now Over 80,000 trained since400 Trade Square East, Troy, Ohio Service Warranty Questions?Effective January 1 CallResources Available Owner’s RecordTo locate a Distributor, retail or service location Please complete and retain with your personal records