Miller Electric Bobcat 225 manual Fuel Consumption Robin-Powered Units

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. A complete Parts List is available at www.MillerWelds.com

4-4. Fuel Consumption (Robin-Powered Units)

On a typical job using 1/8 in 7018 electrodes (125 amps, 20% duty cycle), expect about 20 hours of op- eration.

Welding at 150 amps at 40% duty cycle uses approximately 3/4 gal- lon per hour, or about 16 hours of operation.

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4-5. Fuel Consumption (Kohler-Powered Units)

On a typical job using 1/8 in 7018 electrodes (125 amps, 20% duty cycle), expect about 20 hours of op- eration.

Welding at 150 amps at 40% duty cycle uses approximately 3/4 gal- lon per hour, or about 16 hours of operation.

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Contents OM-4434 File Engine DriveFrom Miller to You Table of Contents 10-3 10-110-2 11-1Electric 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 interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation Indique des instructions spécifiquesDES 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 − DefinitionsRobin-PoweredUnit 560 lb 254 kg Dimensions, Weights, and Operating AnglesDimensions For Units With Optional Running Gear DimensionsFuel Consumption Robin-Powered Units Fuel Consumption Kohler-Powered UnitsFor CC/AC Mode For CC/DC Mode For CV/DC ModeVolt-Ampere Curves Generator Power Curve Duty CycleMounting − InstallationInstalling Welding Generator Do not use flexible mounts GroundingEngine Prestart Checks Robin-Powered Units Oil CheckOil Engine Prestart Checks Kohler-Powered Units Connecting The Battery Connect negative − cable last Installing Exhaust PipeConnecting Or Replacing the Battery Replacing The BatteryStop engine Connecting to Weld Output TerminalsTools Needed Correct Installation Work Weld Output TerminalSelecting Weld Cable Sizes 150 ft 200 ft 250 ft350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m OM-4434 Coarse Range Switch Engine Control SwitchPlace switch in Run position to operate most MIG equipment − Operating the Welding GeneratorLoaded Cold Weather Engine OperationInfrequently Frequently LoadedTypical Stick Welding Connections And Control Settings ElectrodeTypical MIG Welding Connections And Settings Solid Wire ApplicationsBe sure to use the correct size weld cables see Section Self-Shielded Flux Core Wire Applications Fine Control, Weld Process switch SettingsMaterial Typical Settings ForSet wire feed speed between 240-270 ipm OM-4434 Work− Operating Auxiliary Equipment Standard ReceptaclesOptional Generator Power Receptacles Breaker tripsCurrent Available in Amperes 240 Simultaneous Weld And PowerWiring Optional 240 Volt Plug Receptacle− Maintenance ROBIN-POWERED Units Maintenance Label Robin-Powered Units100 Routine Maintenance Robin-Powered UnitsStop engine before maintaining 200Servicing Air Cleaner Robin-Powered Units Servicing Optional Spark Arrestor Robin-Powered UnitsStop engine and let cool Running engine Close valve and valve capBefore adding oil Oil FillTurn idle speed screw for fine adjustments Adjusting Engine Speed Robin-Powered UnitsIdle Speed Adjustment Weld/Power Speed AdjustmentOverload Protection Robin-Powered Units Stop engine. Disconnect negative − battery cable− Maintenance − KOHLER-POWERED Units Maintenance Label Kohler-Powered UnitsRoutine Maintenance Kohler-Powered Units Hours Nl Weld Cables ~ Slip Rings Nl Brushes OM-4434Servicing Air Cleaner Kohler−Powered Units Stop engine and let cool Oil Drain Valve 2 ID x 7 in Hose Oil FilterFull Before adding oil Running engine Adjusting Engine Speed Kohler-Powered Units Turn idle speed screw for fine ad- justmentsOverload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered UnitsIf a fuse opens, it usually indi Generator Power Troubleshooting − TroubleshootingWelding Troubleshooting Trouble RemedyEngine Troubleshooting Recommended Spare Parts − Parts ListControl switch S2, and throttle solenoid TS1 Recommended Spare Parts− Electrical Diagrams Circuit Diagram For Welding Generator228 461-A − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Industrial 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 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint 16 in 30 1.6 mm Tack WeldsWeld 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 − MIG Welding Gmaw Guidelines Holding And Positioning Welding GunPush Perpendicular Drag Short Normal LongSlow Normal Fast Gun Movement During Welding 15-7 Troubleshooting − Excessive Spatter 15-8 Troubleshooting − Porosity15-9 Troubleshooting − Excessive Penetration Lack Of Penetration − shallow Fusion between weld metalImproper joint preparation Unsteady hand Support hand on solid surface or use two hands Base metal to moveCommon MIG Shielding Gases ApplicationFillet Page Service Your distributor also givesSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s