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Miller Electric 280 NT manual Work like a Pro, Symbol Definitions

Models: 280 NT

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

SECTION 3 − DEFINITIONS

3-1. Symbol Definitions

Stop Engine		Fast		Fast/Slow		Slow (Idle)
Stop Engine		(Run, Weld/Power)		(Run/Idle)		Slow (Idle)
		(Run, Weld/Power)		(Run/Idle)
Start Engine		Panel/Local		Temperature		Fuel
Engine Oil		Engine Choke		Check Valve		Battery (Engine)
Engine Oil		Engine Choke		Clearance		Battery (Engine)
				Clearance
Engine		Read Operator’s	A	Amperes	V	Volts
Engine		Manual		Amperes		Volts
		Manual
MIG (GMAW),		Stick (SMAW)		TIG (GTAW)		Circuit Protector
Wire		Stick (SMAW)		TIG (GTAW)		Circuit Protector
Wire
Positive		Negative		Alternating Current		Output
Positive		Negative		(AC)		Output
	h		s	(AC)
Time	h	Hours	s	Seconds		Protective Earth
						Protective Earth
						(Ground)
						(Ground)
Do not switch while		Remote		Work Connection	CC	Constant
welding		Receptacle			CC	Current


Wire Feed		Electrode		Electrode Negative	CV	Constant
Wire Feed		Positive		Electrode Negative	CV	Voltage

Notes

Work like a Pro!

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

OM-4430 Page 12

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Miller Electric 280 NT manual Work like a Pro, Symbol Definitions

Contents

Miller LegendR302 OM-4430217 243RProcesses DescriptionFrom Miller to You SECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING TABLE OF CONTENTSSECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION TABLE OF CONTENTS SECTION 11 − GENERATOR POWER GUIDELINESOPTIONS AND ACCESSORIES WARRANTY1-1. Symbol Usage 1-2. Arc Welding HazardsSECTION 1 − SAFETY PRECAUTIONS − READ BEFORE USING NOTICE − Indicates statements not related to personal injuryFUMES AND GASES can be hazardous BUILDUP OF GAS can injure or killARC RAYS can burn eyes and skin WELDING can cause fire or explosion1-3. Engine Hazards 1-4. Compressed Air HazardsBATTERY ACID can BURN SKIN and EYES TRAPPED AIR PRESSURE AND WHIPPING HOSES can cause injury1-5. Additional Symbols For Installation, Operation, And Maintenance 1-7. Principal Safety Standards 1-6. California Proposition 65 Warnings1-8. EMF Information For Gasoline Engines2-1. Signification des symboles SECTION 2 − CONSIGNES DE SÉCURITÉ − LIRE AVANT UTILISATION2-2. Dangers relatifs au soudage à l’arc Indique des instructions spécifiquesDES PIÈCES CHAUDES peuvent provoquer des brûlures graves 2-3. Dangers existant en relation avec le moteur 2-4. Dangers liés à l’air comprimé D Affûter l’électrode au tungstène uniquement à la meuleuse dotée de protecteurs. Cette manœuv- re est à exécuter dans un endroit sûr lorsque l’on porte l’équipement homologué de protection du visage, des mains et du corps 2-6. Proposition californienne 65 Avertissements 2-7. Principales normes de sécurité2-8. Information EMF Pour les moteurs à essenceSECTION 3 − DEFINITIONS 3-1. Symbol DefinitionsWork like a Pro SECTION 4 − SPECIFICATIONS 4-2. Weld, Power, And Engine Specifications4-3. Dimensions, Weights, and Operating Angles 4-1. Description4-4. Dimensions For Units With Optional Running Gear 4-5. Fuel Consumption While Welding And Using Generator Power4-6. Generator Power Curve WELD POSITION FLATHORIZONTAL VERTICAL4-7. Duty Cycle 4-8. TIG Mode Volt-Ampere CurvesContinuous Welding A. CC/DC Stick Mode 4-9. Stick And MIG Mode Volt-Ampere CurvesB. CV/DC MIG Mode SECTION 5 − INSTALLATION 5-1. Installing Welding Generatorvehicle frame. Always connect a ground wire Movement Do not lift unit from end5-2. Engine Prestart Checks Follow run-in procedure in engineKeep battery in good condition Store battery in warm area5-3. Connecting Or Replacing The Battery Replacing The BatteryRemove end panel to replace battery Connect negative − cable lastWork like a Pro 5-4. Installing Exhaust PipeStop engine and let cool 5-5. Connecting To Weld Output Terminals Stop engineFailure to properly connect damage your machine5-6. Selecting Weld Cable Sizes 5-7. Remote Receptacle Information6-1. Front Panel Controls SECTION 6 − OPERATING WELDING GENERATORFor maximum weld output above 6-2. Description Of Engine Controls See Section 6-3. Cold Weather Engine OperationEngine Control Switch Generator power is available at recep6-4. Controlling Engine Speed And Weld/Generator Output Generator Power OutputEngine Controls Either Run/Idle position6-5. Process Switch Wire PositionThe unit will not return to idle speed Stick Positions6-6. Stick Start Procedure − Scratch Start Technique 6-7. TIG Lift-Arc Start ProcedureLift-Arc t TIG Application6-8. Remote Voltage/Amperage Control Max 160 A DC7-1. 60 Hz Generator Power Receptacles And Supplementary Protectors SECTION 7 − OPERATING AUXILIARY EQUIPMENTGenerator power is available at weld load and generator power7-2. Variable Frequency Hz Generator Power Receptacle RC3 Press button to reset. If supplerized Service Agent Work like a ProEach 120 V Duplex ReceptacleCurrent Available in Amperes ReceptacleSECTION 8 − MAINTENANCE & TROUBLESHOOTING 8-1. Routine Maintenancefor important start-up, service, and storage information. Service engine more often if8-2. Maintenance Label OM-4430 Page8-4. Servicing Air Cleaner 8-3. Servicing Optional Spark ArrestorStop engine and let cool Stop engineStop engine and let cool 8-5. Changing Engine Oil, Oil Filter, And Fuel FilterStop engine, tighten connec- tions as necessary, and wipe up fuel Stop engine 8-6. Overload Protection803 773−A / Ref. 216 172-D 8-7. Troubleshooting A. WeldingTrouble RemedyTrouble RemedyTrouble RemedyTrouble D. EngineRemedy SECTION 9 − PARTS LIST 9-1. Recommended Spare PartsSECTION 10 − ELECTRICAL DIAGRAMS Figure 10-1. Circuit Diagram For Welding Generator ModelsOM-4430 Page 232 961-ASECTION 11 − GENERATOR POWER GUIDELINES 11-1. Selecting Equipment11-2. Grounding Generator To Truck Or Trailer Frame Be sure equipment has double insulated symbol and/or word- ing on it11-3. Grounding When Supplying Building Systems 11-4. How Much Power Does Equipment Require?Use ground device as stated in electrical codes Amperes x Volts = Watts11-5. Approximate Power Requirements For Industrial Motors 11-6. Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating11-7. Approximate Power Requirements For Contractor Equipment ContractorRating Starting Watts11-8. Power Required To Start Motor 11-9. How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements Motor Start11-10. Typical Connections To Supply Standby Power Customer-supplied equipment11-11. Selecting Extension Cord Use Shortest Cord Possible Cord Lengths for 120 Volt LoadsMaximum Allowable Cord Length in ft m for Conductor Size AWG CurrentSOCKET/WRENCH SELECTION TABLE SOCKET/WRENCH SELECTION TABLEU.S. STANDARD METRICWelding Symbols Ref. AWS/ANSI A2.4Page Page Warranty Questions? ServiceCall 1-800-4-A-MILLER for your local Miller distributor SupportFor Service Owner’s RecordContact a DISTRIBUTOR or SERVICE AGENCY near you Please complete and retain with your personal records