Miller Electric Big Blue 400 PX manual Connecting To Weld Output Terminals

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5-7. Connecting To Weld Output Terminals

! Stop engine.

1Work (−) Weld Output Terminal

2CV (Wire) Weld Output Terminal

3CC (Stick/TIG) Weld Output Terminal

Making Connections

4Weld Output Terminal

5Supplied Weld Output Terminal Nut

6Weld Cable Terminal

7Copper Bar

Remove supplied nut from weld out- put terminal. Slide weld cable terminal onto weld output terminal and secure with nut so that weld cable terminal is tight against copper bar. Do not place anything between weld cable terminal and copper bar. Make sure that the surfaces of the weld cable terminal and copper bar are clean.

Stick and TIG Welding

For Stick and TIG welding Direct Cur- rent Electrode Positive (DCEP), con- nect electrode holder cable to CC (Stick/TIG) terminal on right and work cable to Negative (−) terminal on left.

For Direct Current Electrode Nega- tive (DCEN), reverse cable connections.

Use Process/Contactor switch to se- lect type of weld output (see Section 6-3).

MIG and FCAW Welding

For MIG and FCAW welding Direct Current Electrode Positive (DCEP, connect wire feeder cable to CV (Wire) terminal on right and work cable to Work/Negative (−) terminal on left. Use Process/Contactor switch to select type of weld output (see Section 6-3).

For Direct Current Electrode Nega- tive (DCEN), reverse cable connections.

4

5

6

1

2

3

7

Do not place

anything between weld cable terminal and copper bar.

Correct Installation

Incorrect Installation

Tools Needed: 3/4 in

Ref. 804 068 / 803 778 / 222 875-A

OM-223 037 Page 25

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Contents File Engine Drive OM-223 037MProcesses DescriptionFrom Miller to You Table of Contents Warranty Standards DirectivesDecrot1/07 Decrotsound200710 Sound Level InformationHOT 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 LE Bruit peut affecter l’ouïe DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Soudage peut provoquer un in cendie ou une explosionDES Organes Mobiles peuvent pro voquer des blessures ’EXPLOSION DE LA Batterie peu’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 blessuresEn ce qui concerne les implants médicaux Proposition californienne 65 AvertissementsPrincipales normes de sécurité Information EMF− 50 h Std − DefinitionsStd Manufacturer’s Rating Label Symbols And Definitions Dimensions, Weights, And Operating Angles − SpecificationsWeld And Power Specifications Engine SpecificationsVolt-Ampere Curves − 50 Hz Operation Stick ModeMIG Mode TIG ModeDC Amperes Volt-Ampere Curves − 60 Hz Operation100% Duty Cycle At 250 Amperes Curve shows typical fuel use under weld or power loadsFuel Consumption Duty Cycle And Overheating − 50 Hz OperationAc power curve shows the gen- erator power in amperes AC Generator Power CurveDuty Cycle And Overheating − 60 Hz Operation Grounding1 − InstallationInstalling Welding Generator Location/Airflow ClearanceMounting Welding Generator Stop engine and let cool Installing Exhaust PipeTools Needed Connecting The Battery Activating The Dry Charge Battery If ApplicableOil Coolant Recovery TankEngine Prestart Checks FuelConnecting To Weld Output Terminals Selecting Weld Cable Sizes Gas Connections Connecting To Remote 14 Receptacle RC14Socket Information Stop Front Panel Controls See SectionOM-223 Description Of Front Panel Controls See Section Process/Contactor Switch Settings Process/Contactor SwitchReceptacle RC14 Set Wire ProcessRemote Voltage/Amperage Control Connect RemoteVolt Receptacles − Operating Auxiliary EquipmentRoutine Maintenance − Maintenance & TroubleshootingMaintenance Label Website Address ServicePerkins Customer Assistance Checking Generator BrushesTo clean air filter Servicing Air CleanerReinstall primary element and cap dust ejector down Stop engine and let cool Radiator Draincock Inspecting And Cleaning Spark Arrestor MufflerServicing Engine Cooling System Tools Needed 3/8To drain water from fuel system Servicing Fuel And Lubrication SystemsTo change oil and filter To replace primary canister fuel filterOverload Protection Help 20 Display Optional Voltmeter/Ammeter Help DisplaysHelp 25 Display Standard Generator Power TroubleshootingWelding Engine Sphere oil refineries Coolant temperature is too high see SectionWhen the engine is restarted Engine suddenly stopsCircuit Diagram For Welding Generator − Electrical Diagrams222 966--C Wetstacking − RUN-IN ProcedureWelding Generator From flammables Run-In Procedure Using Load BankRun-In Procedure Using Resistance Grid Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsAmperes x Volts = Watts Farm/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 Selecting Extension Cord Use Shortest Cord Possible 110− −5 108 109− −3 101 105 104 107 106 102 103 100− −2 − Parts List12−4 5756 112 Dia Part Description Quantity Mkgs Dia Part Description Quantity 213668 Front w/Components PanelPanel Front w/Components Control Panel Generator Rectifier Assembly Wiring Harnesses Material Thickness Gauge Start Your Professional Welding Career Now Support Your distributor also givesYour 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