Miller Electric Bobcat 225 manual Servicing Air Cleaner Kohler−Powered Units, Stop engine

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

9-3. Servicing Air Cleaner (Kohler−Powered Units)

! Stop engine.

NOTICE − Do not run engine with- out air cleaner or with dirty element.

1 Precleaner

Wash precleaner with soap and wa- ter solution. Allow precleaner to air dry completely.

Spread 1 tablespoon SAE 30 oil evenly into precleaner. Squeeze out excess oil.

2 Element

Replace element if damaged, dirty, or oily.

oil

aircleaner3 11/04 − 802 772 / S-0759

Notes

Work like a Pro!

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

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Contents File Engine Drive OM-4434From Miller to You Table of Contents 10-2 10-110-3 11-1Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsBuildup of GAS can injure or kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionCompressed Air Hazards Engine HazardsHOT Parts can cause burns and injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer 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 DES Organes Mobiles peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueLES Fils DE Soudage peuvent provoquer des blessures ’EMPLOI Excessif peutProposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF Symbol Definitions − SpecificationsWeld, Power, and Engine Specifications − DefinitionsDimensions For Units With Optional Running Gear Dimensions, Weights, and Operating AnglesRobin-PoweredUnit 560 lb 254 kg DimensionsFuel Consumption Kohler-Powered Units Fuel Consumption Robin-Powered UnitsFor CC/AC Mode For CC/DC Mode For CV/DC ModeVolt-Ampere Curves Duty Cycle Generator Power CurveInstalling Welding Generator − InstallationMounting Do not use flexible mounts GroundingEngine Prestart Checks Robin-Powered Units Oil CheckOil Engine Prestart Checks Kohler-Powered Units Connecting Or Replacing the Battery Installing Exhaust PipeConnecting The Battery Connect negative − cable last Replacing The BatteryTools Needed Correct Installation Connecting to Weld Output TerminalsStop engine 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 Place switch in Run position to operate most MIG equipment Engine Control SwitchCoarse Range Switch − Operating the Welding GeneratorInfrequently Cold Weather Engine OperationLoaded Frequently LoadedElectrode Typical Stick Welding Connections And Control SettingsTypical MIG Welding Connections And Settings Solid Wire ApplicationsBe sure to use the correct size weld cables see Section Fine Control, Weld Process switch Settings Self-Shielded Flux Core Wire ApplicationsSet wire feed speed between 240-270 ipm OM-4434 Typical Settings ForMaterial WorkStandard Receptacles − Operating Auxiliary EquipmentBreaker trips Optional Generator Power ReceptaclesWiring Optional 240 Volt Plug Simultaneous Weld And PowerCurrent Available in Amperes 240 ReceptacleMaintenance Label Robin-Powered Units − Maintenance ROBIN-POWERED UnitsStop engine before maintaining Routine Maintenance Robin-Powered Units100 200Servicing Air Cleaner Robin-Powered Units Servicing Optional Spark Arrestor Robin-Powered UnitsStop engine and let cool Before adding oil Close valve and valve capRunning engine Oil FillIdle Speed Adjustment Adjusting Engine Speed Robin-Powered UnitsTurn idle speed screw for fine adjustments Weld/Power Speed AdjustmentStop engine. Disconnect negative − battery cable Overload Protection Robin-Powered UnitsMaintenance Label Kohler-Powered Units − Maintenance − KOHLER-POWERED UnitsHours Nl Weld Cables ~ Slip Rings Nl Brushes OM-4434 Routine Maintenance Kohler-Powered UnitsServicing 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 Turn idle speed screw for fine ad- justments Adjusting Engine Speed Kohler-Powered UnitsOverload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered UnitsIf a fuse opens, it usually indi Welding Troubleshooting − TroubleshootingGenerator Power Troubleshooting Trouble RemedyEngine Troubleshooting Control switch S2, and throttle solenoid TS1 − Parts ListRecommended Spare Parts Recommended Spare PartsCircuit Diagram For Welding Generator − Electrical Diagrams228 461-A − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsApproximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 / Volts = Starting AmperageTypical Connections To Supply Standby Power Cord Lengths for 120 Volt Loads Selecting Extension Cord Use Shortest Cord PossibleCurrent Load Watts Amperes Cord Lengths for 240 Volt Loads− Stick Welding Smaw Guidelines Stick Welding ProcedureElectrode and Amperage Selection Chart Striking an Arc − Scratch Start TechniqueStriking an Arc − Tapping Technique Good Weld Bead Characteristics Poor Weld Bead CharacteristicsPositioning Electrode Holder 10-30 9090 End View of Work AngleElectrode Movement During Welding Conditions That Affect Weld Bead ShapeLap Joint Butt JointsTee Joint 16 in 30 1.6 mm Tack WeldsTroubleshooting − Excessive Spatter Troubleshooting − PorosityWeld Test Possible Causes Corrective ActionsTroubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Excessive Penetration Troubleshooting − Burn-Through Troubleshooting − Waviness Of BeadTroubleshooting − Distortion Holding And Positioning Welding Gun − MIG Welding Gmaw GuidelinesPush 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 Base metal to move Unsteady hand Support hand on solid surface or use two handsCommon MIG Shielding Gases ApplicationFillet Page Service Your distributor also givesSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s