Miller Electric 280 NT Engine, Check engine charging system according to engine manual

Page 44

 

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

D. Engine

 

 

 

Trouble

Remedy

 

 

Engine will not crank.

Check fuse F6, and replace if open (see Section 8-6).

 

 

 

Check battery voltage.

 

 

 

Check battery connections and tighten if necessary.

 

 

 

Check plug PLG5 and plug PLG8 connections.

 

 

 

Have Factory Authorized Service Agent check Engine Control switch S2.

 

 

Engine does not start.

Check fuel level (see Section 5-2).

 

 

 

Check battery and replace if necessary.

 

 

 

Have Factory Authorized Service Agent check fuel shutoff solenoid FS1 according to engine manual.

 

 

 

Check engine charging system according to engine manual.

 

 

 

See engine manual.

 

 

Engine starts but stops when Engine

Check oil level (see Section 5-2). Low oil pressure shutdown stops engine if oil pressure is too low.

Control switch returns to either Run/

Engine also stops if oil level is too high.

Idle position.

 

 

 

 

Use correct grade oil for operating temperature. (see Section 8-2).

 

 

 

Have Factory Authorized Service Agent check low oil pressure shutdown switch S5.

 

 

Battery discharges between uses.

Place Engine Control switch in Off position when unit is not running.

 

 

 

Clean top of battery with baking soda and water solution; rinse with clear water.

 

 

 

Periodically recharge battery (approximately every 3 months).

 

 

 

Replace battery.

 

 

 

Check voltage regulator according to engine manual.

 

 

Engine stopped during normal

Check fuel level (see Section 5-2).

operation.

 

 

 

 

Check oil level (see Section 5-2). Low oil pressure shutdown stops engine if oil pressure is too low.

 

Engine also stops if oil level is too high.

 

 

 

Have Factory Authorized Service Agent check low oil pressure shutdown switch S5.

 

 

 

Have Factory Authorized Service Agent check fuel shutoff solenoid FS1 according to engine manual.

 

 

Engine does not return to idle speed.

Place Engine Control switch S2 in either Run/Idle position.

 

 

 

Remove all weld and generator power loads.

 

 

 

Turn off remote contactor. The unit will not return to idle speed when the remote contactor is on.

 

 

 

Turn off remote device connected to Remote receptacle RC4 (see Section 5-7).

 

 

 

Check for obstructed movement of solenoid linkage.

 

 

 

Have Factory Authorized Service Agent check circuit board PC2 and current transformer CT1.

 

 

Engine does not go to weld speed.

Place Speed Control switch in Weld position.

 

 

 

Check for obstructed movement of solenoid linkage.

 

 

During operation in near freezing tem-

Treat fuel with isopropyl alcohol de-icer product.

peratures, engine starts and goes to

 

idle but stalls after a few minutes.

 

 

 

 

Place Engine Control switch in the Run position until unit has been in operation and loaded for a peri-

 

od of time.

 

 

During operation in severe cold weath-

Install engine manufacturer’s kit for cold-weather operation.

er, engine starts and goes to idle but

 

stalls after a few minutes.

 

 

 

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Contents OM-4430217 243R ProcessesDescription File Engine DriveFrom Miller to You Table of Contents − Maintenance & Troubleshooting Symbol Usage Arc Welding HazardsElectric Shock can kill HOT Parts can cause severe burnsFumes and Gases can be hazardous Buildup of GAS can injure or killARC Rays can burn eyes and skin Welding can cause fire or explosionEngine Hazards Compressed Air HazardsWelding Wire can cause injury HOT Parts can cause burns and injuryFire or Explosion hazard Falling Unit can cause injuryPrincipal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interferenceSignification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN 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 LE Surchauffement peut endom- mager le moteur électrique DES Organes Mobiles peuvent provoquer des blessuresLES Fils DE Soudage peuvent provoquer des blessures ’EMPLOI Excessif peutProposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF En ce qui concerne les implants médicauxSymbol Definitions − Definitions− Specifications Weld, Power, And Engine SpecificationsDimensions, Weights, and Operating Angles DescriptionDimensions For Units With Optional Running Gear Fuel Consumption While Welding And Using Generator PowerRPM Weld 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 OilConnecting Or Replacing The Battery Replacing The Battery+ − Connect negative − cable lastStop engine and let cool Installing Exhaust PipeTools Needed 1/2 Connecting To Weld Output Terminals Stop engineFailure to properly connect Damage your machineSelecting Weld Cable Sizes Remote Receptacle Information− Operating Welding Generator Front Panel ControlsDescription Of Engine Controls See Section Cold Weather Engine OperationInfrequently LoadedControlling Engine Speed And Weld/Generator Output Process Switch Process Switch SettingsWire Position Stick PositionsStick Start Procedure − Scratch Start Technique TIG Lift-ArcStart ProcedureLift-Arc t TIG TIG Electrode WorkpieceRemote Voltage/Amperage Control Min 20 a DCConnect Remote Set Process Stick Welding OnlyHz Generator Power Receptacles And Supplementary Protectors Controlling Engine Speed And Weld/Generator Power Output− Operating Auxiliary Equipment Extension cordRized Service Agent Variable Frequency Hz Generator Power Receptacle RC3Press button to reset. If supple Current Available in Amperes Receptacle− Maintenance & Troubleshooting Routine Maintenance100 200Maintenance Label Servicing Air Cleaner Servicing Optional Spark ArrestorChanging Engine Oil, Oil Filter, And Fuel Filter Overload Protection Open left side doorTrouble Remedy TroubleshootingWelding Hz Generator Power Receptacles RC1 And RC2 Variable Frequency Generator Power Receptacle RC3Check receptacle wiring and connections Necessary partsEngine starts but stops when Engine EngineCheck engine charging system according to engine manual Od of timeRecommended Spare Parts − Parts ListRecommended Spare Parts − Electrical Diagrams Circuit Diagram For Welding Generator Models232 961-A − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Electrically Bond GeneratorGrounding When Supplying Building Systems How Much Power Does Equipment Require?Use ground device as stated in electrical codes Amperes x Volts = WattsApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-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 To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s
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