Overload Protection, Open left side door

. 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

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

Contents

Processes OM-4430217 243RDescription File Engine Drive From Miller to You Table of Contents − Maintenance & Troubleshooting Arc Welding Hazards Symbol UsageElectric Shock can kill HOT Parts can cause severe burns Buildup of GAS can injure or kill Fumes and Gases can be hazardousARC Rays can burn eyes and skin Welding can cause fire or explosion Compressed Air Hazards Engine Hazards HOT Parts can cause burns and injury Welding Wire can cause injuryFire or Explosion hazard Falling Unit can cause injury California 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 spécifiques LE 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 peut Principales normes de sécurité Proposition californienne 65 AvertissementsInformation EMF En ce qui concerne les implants médicaux − Definitions Symbol Definitions Weld, Power, And Engine Specifications − SpecificationsDimensions, Weights, and Operating Angles Description Fuel Consumption While Welding And Using Generator Power Dimensions For Units With Optional Running GearRPM Weld 1800 RPM AC Amperes Generator Power Curve 100% 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 − Installation Oil Engine Prestart Checks Replacing The Battery Connecting Or Replacing The Battery+ − Connect negative − cable last Stop engine and let cool Installing Exhaust PipeTools Needed 1/2 Stop engine Connecting To Weld Output TerminalsFailure to properly connect Damage your machine Remote Receptacle Information Selecting Weld Cable Sizes Front Panel Controls − Operating Welding Generator Cold Weather Engine Operation Description Of Engine Controls See SectionInfrequently Loaded Controlling Engine Speed And Weld/Generator Output Process Switch Settings Process SwitchWire Position Stick Positions TIG Lift-ArcStart Procedure Stick Start Procedure − Scratch Start TechniqueLift-Arc t TIG TIG Electrode Workpiece Min 20 a DC Remote Voltage/Amperage ControlConnect Remote Set Process Stick Welding Only Controlling Engine Speed And Weld/Generator Power Output Hz Generator Power Receptacles And Supplementary Protectors− Operating Auxiliary Equipment Extension cord Rized Service Agent Variable Frequency Hz Generator Power Receptacle RC3Press button to reset. If supple Receptacle Current Available in Amperes Routine Maintenance − Maintenance & Troubleshooting100 200 Maintenance Label Servicing Optional Spark Arrestor Servicing Air Cleaner Changing Engine Oil, Oil Filter, And Fuel Filter Open left side door Overload Protection Trouble Remedy TroubleshootingWelding Variable Frequency Generator Power Receptacle RC3 Hz Generator Power Receptacles RC1 And RC2Check receptacle wiring and connections Necessary parts Engine Engine starts but stops when EngineCheck engine charging system according to engine manual Od of time Recommended Spare Parts − Parts ListRecommended Spare Parts Circuit Diagram For Welding Generator Models − Electrical Diagrams 232 961-A Selecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Electrically Bond Generator How Much Power Does Equipment Require? Grounding When Supplying Building SystemsUse ground device as stated in electrical codes Amperes x Volts = Watts Approximate 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 Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment How Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 / Volts = Starting Amperage Typical 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