Miller Electric Bobcat 225 manual Engine Prestart Checks Robin-Powered Units, Oil Check

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

5-2. Engine Prestart Checks (Robin-Powered Units)

Oil Check

Full

Full

Gasoline

Check all fluids daily. Engine must be cold and on a level surface. Unit is shipped with 10W30 engine oil.

.Follow run-in procedure in en- gine manual.

 

NOTICE − This unit has a low oil

 

pressure shutdown switch. Howev-

 

er, some conditions may cause en-

Oil Fill

gine damage before the engine

 

shuts down. Check oil level often

 

and do not use the oil pressure

 

shutdown system to monitor oil

 

level.

Fuel

To help prime the fuel system at ini- tial start-up, fill tank with fresh fuel (see maintenance label for specifi- cations). Always leave filler neck empty to allow room for expansion. Check fuel level on a cold engine before use each day.

Oil

.Do not exceed the ”Full” mark

on the oil level dipstick. The fuel pump may operate errati- cally if crankcase is overfilled.

After fueling, check oil with unit on level surface. If oil is not up to full mark on dipstick, add oil (see main- tenance label).

.To improve cold weather starting:

Keep battery in good condition. Store battery in warm area.

Use correct grade oil for cold weather.

803 848-C / 217 015-A

OM-4434 Page 18

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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 spécifiquesLES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures gravesLE Soudage peut provoquer un in cendie ou une explosion ’EXPLOSION DE LA Batterie peu LE Bruit peut affecter l’ouïeDES Organes Mobiles peuvent pro voquer des blessures ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque 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 peutPrincipales normes de sécurité Proposition californienne 65 AvertissementsInformation 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 Units For CC/DC Mode For CV/DC Mode For CC/AC Mode Volt-Ampere Curves Generator Power Curve Duty CycleMounting − InstallationInstalling Welding Generator Do not use flexible mounts GroundingOil Check Engine Prestart Checks Robin-Powered UnitsOil 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 Terminal150 ft 200 ft 250 ft Selecting Weld Cable Sizes350 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 ElectrodeSolid Wire Applications Typical MIG Welding Connections And SettingsBe 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 Optional Spark Arrestor Robin-Powered Units Servicing Air Cleaner 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 2 ID x 7 in Hose Oil Filter Stop engine and let cool Oil Drain ValveFull Before adding oil Running engine Adjusting Engine Speed Kohler-Powered Units Turn idle speed screw for fine ad- justmentsServicing Optional Spark Arrestor Kohler-Powered Units Overload Protection 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 Selecting Equipment − Generator Power GuidelinesGrounding 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 GuidelinesStriking an Arc − Scratch Start Technique Electrode and Amperage Selection ChartStriking 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 − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Excessive Penetration Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion − MIG Welding Gmaw Guidelines Holding And Positioning Welding GunShort Normal Long Push Perpendicular DragSlow Normal Fast Gun Movement During Welding 15-8 Troubleshooting − Porosity 15-7 Troubleshooting − Excessive Spatter15-9 Troubleshooting − Excessive Penetration Fusion between weld metal Lack Of Penetration − shallowImproper joint preparation Unsteady hand Support hand on solid surface or use two hands Base metal to moveApplication Common MIG Shielding GasesFillet Page Your distributor also gives ServiceSupport 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