Manuals / Miller Electric / Power Tools / Welding System

Miller Electric Blue Star 145 Adjusting Engine Speed Standard Models Only, Stop Engine Close

Models: 145 DXR, 145 Blue Star 145

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. Complete Parts List available at www.MillerWelds.com

8-3. Adjusting Engine Speed (Standard Models Only)

3750 ± 30 rpm (62 Hz)

After tuning engine, check engine speed. See table for proper no load speed. If necessary, adjust speed as follows:

Start engine and run until warm.

1 Adjustment Screw

To increase speed, turn screw in (clockwise). To decrease speed, turn screw out (counterclockwise).

!	Stop	engine.	Close	fuel
	valve.

Tools Needed:

803 594-B

OM-4417 Page 27

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Contents

File Engine Drive OM-4417210 403FProcesses DescriptionFrom Miller to You Table of Contents Page HOT Parts can cause severe burns Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion Fumes and Gases can be hazardousBuildup of GAS can injure or kill ARC Rays can burn eyes and skinCompressed Air Hazards Engine HazardsFalling Unit can cause injury Welding Wire can cause injuryHOT Parts can cause burns and injury Fire or Explosion hazardRadiation can cause interference Principal Safety StandardsCalifornia Proposition 65 Warnings EMF Information− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer LES 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 ’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures LES Fils DE Soudage peuvent provoquer des blessuresPrincipales normes de sécurité Proposition californienne 65 AvertissementsInformation EMF − Definitions − SpecificationsSymbol Definitions Weld, Power, And Engine SpecificationsDimensions Dimensions, Weights, And Operating AnglesVolt-Ampere Curves Fuel Consumption Minutes Welding Generator Power CurveDuty Cycle 100% Duty Cycle at 80 Amperes CC/DCHazards − InstallationInstalling Welding Generator MovementEngine Prestart Checks − Standard Model Grounding Generator When Supplying Building SystemsOil Engine Prestart Checks − DX Model Connecting The Battery DX Models OnlyPut terminals Connecting To Weld Output TerminalsSelecting Weld Cable Sizes 45 m 60 m 70 m 90 m 105 m 120 m 10 −Controls Standard Models See Section − Operating the Welding GeneratorStop engine and add oil if light goes on see Section Description Of Controls Standard Models See SectionTo Start Controls DX Models See Section Description Of Controls DX Models See Section − Operating Auxiliary Equipment Generator Power Panel ReceptaclesAC Receptacle RC1 Routine Maintenance − MaintenanceStandard Model Shown Servicing Air CleanerPrecleaner Paper Element Stop engineTools Needed Adjusting Engine Speed Standard Models OnlyStop Engine Close ValveWeld/Power Speed Adjustment Adjusting Engine Speed DX Models OnlyIdle Speed Adjustment Welding − TroubleshootingTroubleshooting Generator PowerEngine Recommended Spare Parts − Parts ListRecommended Spare Parts Circuit Diagram For Standard Models − Electrical DiagramsCircuit Diagram for DX Models Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsFarm/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 WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x 1000 / Volts = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTypical Connections To Supply Standby Power Cord Lengths for 240 Volt Loads Selecting Extension Cord Use Shortest Cord PossibleCord Lengths for 120 Volt Loads Current Load Watts Amperes− Stick Welding Smaw Guidelines Stick Welding ProcedureStriking an Arc − Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc − Tapping Technique 10-30 9090 End View of Work Angle Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Positioning Electrode HolderElectrode Movement During Welding Conditions That Affect Weld Bead Shape16 in 30 1.6 mm Tack Welds Butt JointsLap Joint Tee JointPossible Causes Corrective Actions Troubleshooting − PorosityTroubleshooting − Excessive Spatter Weld TestTroubleshooting − Lack Of Penetration Troubleshooting − Incomplete FusionTroubleshooting − Excessive Penetration Troubleshooting − Waviness Of Bead Troubleshooting − Burn-ThroughTroubleshooting − Distortion Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact

8-3. Adjusting Engine Speed (Standard Models Only)

Stop

engine.

Close

valve.

Tools Needed: