Miller Electric 280 NT manual Maintenance & Troubleshooting, Routine Maintenance, 100, 200, 500

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

SECTION 8 − MAINTENANCE & TROUBLESHOOTING

8-1. Routine Maintenance

.Follow the storage procedure in the engine owner’s manual if the unit will not be used for an extended period.

				! Stop engine before maintaining.
			Recycle engine	. See Engine Manual and Maintenance Label
			fluids.	for important start-up, service, and storage
			fluids.	information. Service engine more often if
				information. Service engine more often if
				used in severe conditions.
n = Check	Z = Change	~ = Clean	l = Replace	Reference
* To be done by Factory Authorized Service Agent

Every			Section 5-2
8
Hours
n Fuel Level	n Oil Level	~ Oil, Fuel Spills
Every			Section 8-3,
25			8-4
Hours
n~ Spark Arrestor Screen	~ Air Cleaner Wrapper
Every
50
Hours
~ Weld Terminals
Every			Engine
100			Manual,
Hours			Section 8-4,
			8-5
~ Battery Terminals	~ Cooling System	Z Oil	nl Air Cleaner Element
Every			Engine
200			Manual,
Hours			Section 8-5
l Unreadable Labels	n Spark Plug Gap	Z Oil Filter	l Fuel Filter
Every
500
Hours
nl Weld Cables	n~ Slip Rings*
	nl Brushes*

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Contents Processes OM-4430217 243RDescription File Engine DriveFrom Miller to You Table of Contents − Maintenance & Troubleshooting Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burnsBuildup of GAS can injure or kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosionCompressed Air Hazards Engine HazardsHOT Parts can cause burns and injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injuryCalifornia Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference− Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer Indique des instructions spécifiquesLES 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 DES Organes Mobiles peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueLES Fils DE Soudage peuvent provoquer des blessures ’EMPLOI Excessif peutPrincipales normes de sécurité Proposition californienne 65 AvertissementsInformation EMF En ce qui concerne les implants médicaux− Definitions Symbol DefinitionsWeld, Power, And Engine Specifications − SpecificationsDimensions, Weights, and Operating Angles DescriptionFuel Consumption While Welding And Using Generator Power Dimensions For Units With Optional Running GearRPM Weld 1800 RPMAC Amperes Generator Power CurveDuty Cycle TIG Mode Volt-Ampere Curves100% Duty Cycle at 280 Amperes DC/CC CC/DC Stick Mode Stick And MIG Mode Volt-Ampere CurvesCV/DC MIG Mode Installing Welding Generator − InstallationOil Engine Prestart ChecksReplacing The Battery Connecting Or Replacing The Battery+ − Connect negative − cable lastTools Needed 1/2 Installing Exhaust PipeStop engine and let cool Stop engine Connecting To Weld Output TerminalsFailure to properly connect Damage your machineRemote Receptacle Information Selecting Weld Cable SizesFront Panel Controls − Operating Welding GeneratorCold Weather Engine Operation Description Of Engine Controls See SectionInfrequently LoadedControlling Engine Speed And Weld/Generator Output Process Switch Settings Process SwitchWire Position Stick PositionsTIG Lift-ArcStart Procedure Stick Start Procedure − Scratch Start TechniqueLift-Arc t TIG TIG Electrode WorkpieceMin 20 a DC Remote Voltage/Amperage ControlConnect Remote Set Process Stick Welding OnlyControlling Engine Speed And Weld/Generator Power Output Hz Generator Power Receptacles And Supplementary Protectors− Operating Auxiliary Equipment Extension cordPress button to reset. If supple Variable Frequency Hz Generator Power Receptacle RC3Rized Service Agent Receptacle Current Available in AmperesRoutine Maintenance − Maintenance & Troubleshooting100 200Maintenance Label Servicing Optional Spark Arrestor Servicing Air CleanerChanging Engine Oil, Oil Filter, And Fuel Filter Open left side door Overload ProtectionWelding TroubleshootingTrouble Remedy Variable Frequency Generator Power Receptacle RC3 Hz Generator Power Receptacles RC1 And RC2Check receptacle wiring and connections Necessary partsEngine Engine starts but stops when EngineCheck engine charging system according to engine manual Od of timeRecommended Spare Parts − Parts ListRecommended Spare Parts Circuit Diagram For Welding Generator Models − Electrical Diagrams232 961-A Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Electrically Bond GeneratorHow Much Power Does Equipment Require? Grounding When Supplying Building SystemsUse ground device as stated in electrical codes Amperes x Volts = WattsApproximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements 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 Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s