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Hobart Welding Products 4500 manual Work like a Pro, Volt-Ampere Curves, Volts, Max Amp, Min Amp

Models: 4500

1 54

Page 19

4-6. Volt-Ampere Curves

The volt-ampere curve shows the minimum and maximum voltage and amperage output capabilities of the welding generator. Curves of all other settings fall between the curves shown.

	90
	80
	70
	60
Volts	50			Max Amp
				Max Amp
	40
AC	40
AC	30	Min Amp
	30	Min Amp
	20
	10
	0
	0	50	100	150	200

AC Amps

226 078

Notes

Work like a Pro!

Pros weld and cut safely. Read the safety rules at the beginning of this manual.

OM-4418 Page 15

Page 19

Image 19

Hobart Welding Products 4500 manual Work like a Pro, Volt-Ampere Curves, Volts, Max Amp, Min Amp, AC Amps

Contents

Processes ChampionRENGLISH ESPAÑOL OM-4418210 597KFrom Hobart to You SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION TABLE OF CONTENTSSECTION 8 − MAINTENANCE WARRANTYPage ELECTRIC SHOCK can kill 1-1. Symbol Usage1-2. Arc Welding Hazards SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USINGWELDING can cause fire or explosion FUMES AND GASES can be hazardousBUILDUP OF GAS can injure or kill ARC RAYS can burn eyes and skinUsing a generator indoors CAN KILL YOU IN MINUTES 1-3. Engine Hazards1-4. Compressed Air Hazards BATTERY EXPLOSION can BLINDREAD INSTRUCTIONS 1-5. Additional Symbols For Installation, Operation, And MaintenanceWELDING WIRE can cause injury HOT PARTS can cause burns and injuryH.F. RADIATION can cause interference 1-7. Principal Safety Standards1-6. California Proposition 65 Warnings 1-8. EMF InformationUN CHOC ÉLECTRIQUE peut tuer 2-1. Signification des symbolesSECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION 2-2. Dangers relatifs au soudage à l’arcLE BRUIT peut affecter l’ouïe DES PIÈCES CHAUDES peuvent provoquer des brûlures gravesLES FUMÉES ET LES GAZ peu- vent être dangereux LE SOUDAGE peut provoquer un incendie ou une explosionL’EXPLOSION DE LA BATTERIE peut RENDRE AVEUGLE 2-3. Dangers existant en relation avec le moteurLES CHAMPS MAGNETIQUES peuvent affecter des implants médicaux Si des BOUTEILLES sont endomma- gées, elles pourront exploserL’AIR COMPRIMÉ peut provoquer des blessures 2-4. Dangers liés à l’air compriméLA CHALEUR DU MOTEUR peut pro- voquer un incendie LES ÉTINCELLES À L’ÉCHAPPEMENT peuvent provoquer un incendieLES FILS DE SOUDAGE peuvent provoquer des blessures LE SURCHAUFFEMENT peut endom- mager le moteur électriqueLES ÉTINCELLES VOLANTES ris- quent de provoquer des blessures DES ORGANES MOBILES peuvent provoquer des blessuresPour les moteurs à essence 2-6. Proposition californienne 65 Avertissements2-7. Principales normes de sécurité 2-8. Information EMFSECTION 3 − DEFINITIONS SECTION 4 − SPECIFICATIONS3-1. Symbol Definitions 4-1. Weld, Power, And Engine SpecificationsAux Power 4-2. Dimensions, Weights, And Operating Angles4-3. Fuel Consumption Do not move or operate unit where it could tip4-4. Duty Cycle 4-5. Generator Power CurveAC Power Volts AC Power AmperesMax Amp Work like a Pro4-6. Volt-Ampere Curves VoltsEvidence of label tampering voids warranty SECTION 5 − INSTALLATION5-1. Installing Welding Generator 5-2. Rating Label LocationAlways ground 5-4. Grounding Generator When Supplying Building Systems5-3. Grounding Generator To Truck Or Trailer Frame Also see AWS Safetyunit or carburetor may flood and make starting difficult 5-5. Engine Prestart ChecksAlways close fuel valve after Close fuel valve before movingweld cables may cause ex 5-6. Connecting To Weld Output Terminalsnal and copper bar are clean Failure to properly connectWork like a Pro Selecting Weld Cable Sizes5/16 in .313 in 3/8 in .375 in 1/2 in .5 in MATERIAL THICKNESS REFERENCE CHART 24 Gauge .025 in 22 Gauge .031 in20 Gauge .037 in 18 Gauge .050 in 16 Gauge .063 in 14 Gauge .078 in 1/8 in .125 in 3/16 in .188 in 1/4 in .25 inControls See Section SECTION 6 − OPERATING THE WELDING GENERATOR803 468-D / 803 469-D / 226 Always close fuel valve after stopping 6-2. Description Of Controls See Section6-3. Amperage Selection Table For Stick SMAW Electrodes This unit has a low oil level shutdown toSet Amperage control at max. for full generator power 7-1. Generator Power Panel ReceptaclesSECTION 7 − OPERATING AUXILIARY EQUIPMENT Generator power decreases as weld current increasesinformation. Service engine more often if SECTION 8 − MAINTENANCE8-1. Routine Maintenance for important start-up, service, and storageStop engine 8-2. Servicing Air CleanerA. Welding SECTION 9 − TROUBLESHOOTING9-1. Troubleshooting B. Generator PowerTrouble C. EngineTrouble RemedyFigure 10-1. Circuit Diagram For Welding Generator SECTION 10 − ELECTRICAL DIAGRAMS226 004-A Be sure equipment has double insulated symbol and/or word- ing on it SECTION 11 − GENERATOR POWER GUIDELINES11-1. Selecting Equipment 11-2. Grounding Generator To Truck Or Trailer FrameAmperes x Volts = Watts 11-3. Grounding When Supplying Building Systems11-4. How Much Power Does Equipment Require? Use ground device as stated in electrical codesRating 11-5. Approximate Power Requirements For Industrial Motors11-6. Approximate Power Requirements For Farm/Home Equipment Industrial MotorsStarting Watts 11-7. Approximate Power Requirements For Contractor EquipmentContractor RatingMotor Start 11-8. Power Required To Start Motor11-9. How Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsCustomer-supplied equipment 11-10. Typical Connections To Supply Standby PowerCurrent 11-11. Selecting Extension Cord Use Shortest Cord PossibleCord Lengths for 120 Volt Loads Maximum Allowable Cord Length in ft m for Conductor Size AWGSECTION 12 − STICK WELDING SMAW GUIDELINES 12-1. Stick Welding Procedureworkpiece, use a quick twist to free it 12-2. Electrode and Amperage Selection Chart12-3. Striking an Arc − Scratch Start Technique 12-4. Striking an Arc − Tapping TechniqueS-0060 12-6. Poor Weld Bead Characteristics12-7. Good Weld Bead Characteristics 12-5. Positioning Electrode Holder12-9. Electrode Movement During Welding 12-8. Conditions That Affect Weld Bead ShapeSlow S-0662 12-10. Butt Joints12-11. Lap Joint 12-12. Tee JointPossible Causes 12-14. Troubleshooting − Porosity12-15. Troubleshooting − Excessive Spatter 12-13. Weld TestPossible Causes 12-16. Troubleshooting − Incomplete Fusion12-17. Troubleshooting − Lack Of Penetration 12-18. Troubleshooting − Excessive PenetrationPossible Causes 12-19. Troubleshooting − Burn-Through12-20. Troubleshooting − Waviness Of Bead 12-21. Troubleshooting − DistortionOM-4418 Page Work like a ProFigure 13-1. Main Assembly SECTION 13 − PARTS LIST803 470-E Mkgs Figure 13-1. Main AssemblyOver 80,000 trained since Start Your Professional Welding Career Now400 Trade Square East, Troy, Ohio Call Warranty Questions?Service Effective January 1Please complete and retain with your personal records Owner’s RecordResources Available To locate a Distributor, retail or service location