Fuel Consumption, Duty Cycle | Hobart Welding Products OM-493

3-4.	Fuel Consumption
	SB-191 556
3-5.	Duty Cycle

Duty cycle is the percentage of 10 minutes that unit can weld at rated load without overheating.

Y Exceeding duty cycle can damage unit and void warranty.

Continuous Welding

100% Duty Cycle at 210 Amperes CC/DC

SB-191 554

OM-493 Page 11

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Hobart Welding Products OM-493 manual Fuel Consumption, Duty Cycle, Exceeding duty cycle can damage unit and void warranty

Contents

OM-493 ProcessesDescription From Hobart to You Table of Contents Page ARC Rays can burn eyes and skin Symbol UsageArc Welding Hazards Electric Shock can kill Engine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can kill ARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interference LES Fumées ET LES GAZ peuvent être dangereux Signification des symbolesConsignes DE Sécurité Lire Avant Utilisation UN Choc Électrique peut tuer LE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures graves LA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chaleur DU Moteur peut pro- voquer un incendie Consignes relatives aux stimulateurs cardiaques Principales normes de sécuritéInformation sur les champs électromagnétiques LE Soudage À L’ARC risque de provoquer des interférences Definitions SpecificationsSymbol Definitions Weld, Power, and Engine Specifications Dimensions, Weights, and Operating Angles Auxiliary Power CurveDimensions Continuous Welding Exceeding duty cycle can damage unit and void warrantyFuel Consumption Duty Cycle Movement Do not lift unit from end Airflow Clearance InstallationInstalling Welding Generator Volt-Ampere Curve Fuel Engine Prestart Checks Charger Activating The Dry Charge Battery If ApplicableDo not overfill battery cells Read and follow all instruc Connect negative cable last Connecting the BatteryInstalling Exhaust Pipe Tools Needed 1/2 10 100% Duty Cycle Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 100 ft 30 m Or Less Front Panel Controls Engine Control SwitchDo not switch under load Operating the Welding Generator 120V 240V Operating Auxiliary EquipmentStandard Receptacles Weld Current 120 V 20 a AC Gfci Recep Optional Auxiliary Power ReceptaclesGenerator Gfci Receptacle Option Maintenance Maintenance Label Stop engine Servicing Air CleanerStop engine. Disconnect negative battery cable Overload Protection Oil Drain Valve 2 ID x 12 in Hose Oil Filter Changing Engine Oil, Oil Filter, and Fuel FilterFull Tools Needed Stop engine and let cool Adjusting Engine Speed Idle Speed AdjustmentWeld/Power Speed Adjustment Servicing Optional Spark Arrestor Trouble Remedy TroubleshootingAuxiliary Power Welding Engine Switch S2, and throttle solenoid TS1 Circuit Diagram For Welding Generator Electrical Diagram Auxiliary Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplying Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment KVA/HP x HP x Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting Requirements 240 120 Ground Typical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible Stick Welding Procedure Weld current starts when electrode touches work- pieceStick Welding Smaw Guidelines Electrode and Amperage Selection Chart Striking an Arc Scratch Start TechniqueStriking an Arc Tapping Technique 10-30 9090 End View of Work Angle Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Positioning Electrode Holder Electrode Movement During Welding Conditions That Affect Weld Bead Shape 16 in 1.6 mm Tack Welds Butt JointsLap Joint Tee Joint Possible Causes Corrective Actions Troubleshooting PorosityTroubleshooting Excessive Spatter Weld Test Troubleshooting Incomplete Fusion Troubleshooting Lack Of PenetrationTroubleshooting Excessive Penetration Troubleshooting Burn-Through Troubleshooting Waviness Of BeadTroubleshooting Distortion 12-3 Parts List Dia Part Description Mkgs Quantity Panel, Front w/Components Panel, Front w/Components -1 Item Generator -1 Item Page Page Support Service Contact your Distributor for Hobart Welding ProductsCall

Hobart Welding Products OM-493 manual Fuel Consumption, Duty Cycle, Continuous Welding

Models: OM-493

Fuel Consumption

Duty Cycle

Y Exceeding duty cycle can damage unit and void warranty.

Continuous Welding

100% Duty Cycle at 210 Amperes CC/DC