Miller Electric 301 G manual 100% Duty Cycle at 280 Amperes DC/CC

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4-6. Duty Cycle

100% Duty Cycle at 280 Amperes DC/CC

Continuous Welding

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

YExceeding duty cycle can damage unit and void warranty.

WELD AMPERES

325

DC/CV

300

275

DC/CC

250

225

200

175

150

0

10

20

30

40

50

60

70

80

90

100

% DUTY CYCLE

Ref. 207 925

Notes

Work like a Pro!

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

OM-4411 Page 12

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Contents Processes OM-4411207 283EDescription From Miller to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards Principal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interferenceSignification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peut DES Organes Mobiles peuvent provoquer des blessuresLA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesSymbol Definitions − Definitions− Specifications Weld, Power, And Engine SpecificationsDimensions, Weights, and Operating Angles DescriptionFuel Consumption While Welding And Using Generator Power Generator Power CurveDuty Cycle Exceeding duty cycle can damage unit and void warranty100% Duty Cycle at 280 Amperes DC/CC CC/DC Stick Mode Stick And MIG Mode Volt-Ampere CurvesCV/DC MIG Mode DC TIG Mode Volt-Ampere Curves − Installation Installing Welding GeneratorOil Engine Prestart ChecksFull Gasoline Activating The Dry Charge Battery If Applicable Do not overfill battery cellsRead and follow all instruc ChargerConnecting The Battery Installing Exhaust Pipe+ − Connect negative − cable lastConnecting To Weld Output Terminals Selecting Weld Cable SizesRemote Receptacle Information Socket InformationAdjusting Wire MIG Weld Puddle Consistency Reinstall side panel OM-4411Tools Needed 7/16 For wetter weld puddle for mild steel− Operating Welding Generator Front Panel ControlsGenerator Power Output Description Of Front Panel ControlsEngine Speed Weld OutputProcess Switch Settings Process SwitchSwitch Setting Process Output On/Off Control Remote Amperage/Voltage Control Example Combination Remote Amperage Control StickHz Generator Power Receptacles And Circuit Breakers − Operating Auxiliary Equipment240 V 50 a AC Receptacle RC1 Circuit Breaker CB3Variable Frequency Hz Generator Power Receptacle RC3 Ceptacle RC3120 V 20 a Variable Frequency AC Receptacle RC3Current Available in Amperes Receptacle− Maintenance & Troubleshooting Maintenance Label Servicing Optional Spark Arrestor Servicing Air Cleaner OilChanging Engine Oil, Oil Filter, And Fuel Filter Full Tools NeededLocated behind front panel Tools Needed Overload ProtectionCircuit Breaker CB5 Welding TroubleshootingTrouble Remedy Hz Generator Power Receptacles RC1 And RC2 Variable Frequency Generator Power Receptacle RC3Engine Start Your Professional Welding Career Now − Electrical Diagram Circuit Diagram For Welding Generator211 395-C Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Amperes x Volts = WattsApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesMaterial Thickness Reference Chart Main Assembly − -3 41− -4Batt 182367 Panel Front w/Components Panel Front w/Components -1ItemPanel, Front w/Components Bracket w/Components Generator -1Item Your distributor also gives ServiceSupport Miller Electric Mfg. Co For assistance in filing or settling claims, contactYour distributor and/or equipment manufacturer’s Transportation Department