Miller Electric 280 NT manual Overload Protection, Open left side door

Page 41

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

8-6. Overload Protection

! Stop engine.

Open left side door.

. When a supplementary protec- tor or fuse opens, it usually indi- cates a more serious problem exists. Contact a Factory Au- thorized Service Agent.

1 Supplementary Protector CB4

CB4 protects the stator winding supplying 24 volt ac output to Re- mote receptacle RC4. If CB4 opens, 24 volt ac output to RC4 stops.

. Supplementary Protector CB3 protect the stator winding sup- plying 115 volt ac output to Re- mote Receptacle RC4 (see Section 7-1).

Press button to reset.

2 Fuse F6 (See Parts List)

F6 protects the engine wiring sys- tem from overload. If F6 opens, engine will not crank.

Replace fuse if open. Close left side door.

803 773−A / Ref. 216 172-D

OM-4430 Page 37

Image 41

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 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 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 Curve100% 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 Installing Welding Generator − InstallationOil Engine Prestart ChecksReplacing The Battery Connecting Or Replacing The Battery+ − Connect negative − cable lastStop engine and let cool Installing Exhaust PipeTools Needed 1/2 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 cordRized Service Agent Variable Frequency Hz Generator Power Receptacle RC3Press button to reset. If supple 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 ProtectionTrouble Remedy TroubleshootingWelding 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 Support ServiceYour distributor also gives 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