Hobart Welding Products OM-945 manual Fuel Consumption All Models, Duty Cycle

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4-4. Fuel Consumption (All Models)

197 254

4-5. Duty Cycle

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

NOTICE − Exceeding duty cycle can damage unit and void warranty.

Continuous Welding

100% Duty Cycle at 170 Amperes CC/DC

6 Minutes Welding

4 Minutes Resting

60% Duty Cycle at 210 Amperes CC/DC

3 Minutes Welding

7 Minutes Resting

30% Duty Cycle at 230 Amperes CC/DC

197 148

OM-945 Page 14

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Contents OM-945194 047AD 2007−05 ProcessesDescription Stick Smaw WeldingFrom Hobart to You Table of Contents Warranty Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burnsARC Rays can burn eyes and skin Fumes and Gases can be hazardousBuildup of GAS can injure or kill Welding can cause fire or explosionEngine Hazards Compressed Air HazardsFire or Explosion hazard Welding Wire can cause injuryHOT Parts can cause burns and injury Falling Unit can cause injuryEMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interferenceSignification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in cendie ou une explosion LE Bruit peut affecter l’ouïe ’EXPLOSION DE LA Batterie peuDES Organes Mobiles peuvent pro voquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessuresRisque D’INCENDIE OU D’EXPLO- Sion LES Fils DE Soudage peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures ’EMPLOI Excessif peutProposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF Weld, Power, and Engine Specifications − SpecificationsSymbol Definitions Welding Weld Output Rated Maximum Single-Phase FuelHeight Dimensions, Weights, and Operating AnglesGenerator Power Curve Width100% Duty Cycle at 170 Amperes CC/DC Fuel Consumption All ModelsDuty Cycle 60% Duty Cycle at 210 Amperes CC/DCMaterial Thickness Reference Chart Volt-Ampere Curves− Installation Installing Welding GeneratorEngine Prestart Checks Robin-Powered Units Engine Prestart Checks Kohler-Powered UnitsOil Activating The Dry Charge Battery If Applicable Connecting the BatteryEngine backfire can cause se Installing Exhaust PipeWeld Output Terminals Tools Needed 1/2Connecting To Weld Output Terminals Selecting Weld Cable SizesEngine Control Switch − Operating the Welding GeneratorFront Panel Controls Infrequently Cold Weather Engine OperationAmperage Selection Table For Stick Smaw Electrodes LoadedTacle RC2 − Operating Auxiliary EquipmentStandard Receptacles Tacle RC3Optional Generator Power Receptacles Gfci Receptacle OptionCurrent Available in Amperes 240 Receptacle− Maintenance ROBIN-POWERED Units Routine Maintenance Robin-Powered UnitsMaintenance Label Robin-Powered Units Servicing Air Cleaner Robin−Powered Units Stop engine and let coolOverload Protection Robin-Powered Units Servicing Optional Spark Arrestor Robin-Powered UnitsStop engine. Disconnect nega- tive − battery cable Full Oil Drain Valve 2 ID x 7 in Hose Oil FilterFill crankcase with new oil to full Fuel LineAdjusting Engine Speed Robin-Powered Units Idle Speed AdjustmentStop engine Recycle engine Fluids Routine Maintenance Kohler-Powered Units= Check = Change ~ = Clean = Replace Hours Weld Cables Slip RingsMaintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler−Powered Units Overload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered UnitsTools Needed 802 339-G / S-0842 Loosen lock nut. Turn adjustment Adjusting Engine Speed Kohler-Powered UnitsAdjustment Nut Reinstall wrapper Top View Tools Needed 3/8Generator Power − TroubleshootingTroubleshooting WeldingEngine Check fuel levelInstall engine manufacturer’s kit for cold-weather operation Od of time− Electrical Diagram Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Bed liners, shipping skids,Ground generator to system Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 / Volts = Starting AmperageTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleCord Lengths for 120 Volt Loads Cord Lengths for 240 Volt LoadsStick Welding Procedure − Stick Welding Smaw GuidelinesElectrode and Amperage Selection Chart Striking an Arc − Scratch Start TechniqueStriking an Arc − Tapping Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics 10-30 9090Conditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint Or LessWeld Test Troubleshooting − PorosityTroubleshooting − Excessive Spatter Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Excessive Penetration Troubleshooting − Burn-Through Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Welding Symbols 20 − FIG − Parts List44 − FIG 37 25Main Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Service SupportAssistance Contact your Distributor for Hobart Welding Products

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