Miller Electric 280 NT Connecting To Weld Output Terminals, Stop engine, Damage your machine

Page 26

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

5-5. Connecting To Weld Output Terminals

 

 

 

!

Stop engine.

 

 

 

!

Do not connect to CC and CV

 

 

 

 

terminals at the same time.

 

 

 

1

Negative (−) Weld Output

 

 

 

 

Terminal

 

 

 

2

Stick/TIG (CC) Weld Output

 

 

 

 

Terminal

 

 

 

3

Wire /CV Weld Output Terminal

 

 

 

For MIG welding, connect work cable

 

 

 

to Negative (−) terminal and wire

 

 

 

feeder cable to Wire (CV) terminal.

 

 

 

For Stick welding, connect work

 

 

 

cable to Negative (−) terminal and

 

 

 

electrode holder cable to Stick/TIG

 

 

 

(CC) terminal.

1

2

3

For TIG welding, connect work cable

to Stick/TIG (CC) terminal and elec-

 

 

 

 

 

 

trode holder to Negative (−) terminal.

 

 

 

!

Failure to properly connect

 

 

 

 

weld cables may cause exces-

 

 

 

 

sive heat and start a fire, or

 

 

 

 

damage your machine.

 

 

 

4

Weld Output Terminal

 

 

 

5

Supplied Weld Output Terminal

 

 

 

 

Nut

 

 

 

6

Weld Cable Terminal

 

 

 

7

Copper Bar

 

 

 

Remove supplied nut from weld out-

 

 

 

put terminal. Slide weld cable termi-

 

 

 

nal onto weld output terminal and se-

cure with nut so that weld cable termi- nal 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.

7

4

Do not place

anything between weld cable terminal and copper bar.

5

6

Correct Installation

Incorrect Installation

Tools Needed: 3/4 in

216 172-D / 803 984−A / 803 778-A

OM-4430 Page 22

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Contents Description OM-4430217 243RProcesses File Engine DriveFrom Miller to You Table of Contents − Maintenance & Troubleshooting Electric 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 spécifiquesLE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux DES Organes Mobiles peuvent pro voquer des blessures LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peu Risque D’INCENDIE OU D’EXPLO- Sion LA Chaleur DU Moteur peut pro- voquer un incendie’AIR Comprimé peut provoquer des blessures LES Fils DE Soudage peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures ’EMPLOI Excessif peutInformation EMF Proposition californienne 65 AvertissementsPrincipales normes de sécurité En ce qui concerne les implants médicauxSymbol Definitions − DefinitionsDimensions, Weights, and Operating Angles − SpecificationsWeld, Power, And Engine Specifications DescriptionRPM Weld Dimensions For Units With Optional Running GearFuel Consumption While Welding And Using Generator Power 1800 RPMGenerator Power Curve AC Amperes100% Duty Cycle at 280 Amperes DC/CC TIG Mode Volt-Ampere CurvesDuty Cycle CV/DC MIG Mode Stick And MIG Mode Volt-Ampere CurvesCC/DC Stick Mode − Installation Installing Welding GeneratorEngine Prestart Checks Oil+ − Connecting Or Replacing The BatteryReplacing The Battery Connect negative − cable lastStop engine and let cool Installing Exhaust PipeTools Needed 1/2 Failure to properly connect Connecting To Weld Output TerminalsStop engine Damage your machineSelecting Weld Cable Sizes Remote Receptacle Information− Operating Welding Generator Front Panel ControlsInfrequently Description Of Engine Controls See SectionCold Weather Engine Operation LoadedControlling Engine Speed And Weld/Generator Output Wire Position Process SwitchProcess Switch Settings Stick PositionsLift-Arc t TIG Stick Start Procedure − Scratch Start TechniqueTIG Lift-ArcStart Procedure TIG Electrode WorkpieceConnect Remote Set Process Remote Voltage/Amperage ControlMin 20 a DC Stick Welding Only− Operating Auxiliary Equipment Hz Generator Power Receptacles And Supplementary ProtectorsControlling Engine Speed And Weld/Generator Power Output Extension cordRized Service Agent Variable Frequency Hz Generator Power Receptacle RC3Press button to reset. If supple Current Available in Amperes Receptacle100 − Maintenance & TroubleshootingRoutine Maintenance 200Maintenance Label Servicing Air Cleaner Servicing Optional Spark ArrestorChanging Engine Oil, Oil Filter, And Fuel Filter Overload Protection Open left side doorTrouble Remedy TroubleshootingWelding Check receptacle wiring and connections Hz Generator Power Receptacles RC1 And RC2Variable Frequency Generator Power Receptacle RC3 Necessary partsCheck engine charging system according to engine manual Engine starts but stops when EngineEngine Od of timeRecommended Spare Parts − Parts ListRecommended Spare Parts − Electrical Diagrams Circuit Diagram For Welding Generator Models232 961-A Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Electrically Bond GeneratorUse ground device as stated in electrical codes Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial 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 Selecting Extension Cord Use Shortest Cord Possible SOCKET/WRENCH Selection Table Standard Metric Welding Symbols Page Page Support ServiceYour distributor also gives 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
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