Hobart Welding Products 3025 manual 500 h, 800 h, 1000 h, 2000 h

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500 h

Replace fan belt.

Flush radiator.

Drain sludge from	FUEL	Repair or replace
	SLUDGE
fuel		cracked cables.

tank.

800 h

Check valve clearance.*

1000 h

Blow out or vacuum inside.

During heavyOR service, clean

monthly.

Service welding generator

brushes and slip rings. Service more often in dirty conditions.*

Replace fuel lines and clamps. See Section 7-5.

2000 h

Replace radiator coolant and hoses. See Section 7-6.

Notes

OM-492 Page 25

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Contents Description OM-492Processes From Hobart to You Table of Contents Page Arc Welding Hazards Symbol UsageElectric Shock can kill ARC Rays can burn eyes and skinEngine Hazards Moving Parts can cause injury Battery Explosion can BlindEngine Exhaust Gases can kill Engine Heat can cause fireEMF Information Principal Safety StandardsRadiation can cause interference ARC Welding can cause interferenceConsignes DE SÉ Curité Lire Avant Utilisation Signification des symbolesUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxDES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES PIÈ CES Chaudes peuvent provoquer des brû lures graves LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peut DES Organes Mobiles peuvent provoquer des blessuresLA Chaleur DU Moteur peut pro- voquer un incendie LA Chute DE L’APPAREIL peut blesserInformation sur les champs é lectromagné tiques Principales normes de sé curitéLE Soudage À L’ARC risque de provoquer des interfé rences Consignes relatives aux stimulateurs cardiaquesSymbol Definitions SpecificationsWeld, Power, And Engine Specifications DefinitionsDimensions Dimensions, Weights, and Operating AnglesDuty Cycle And Overheating OverheatingVolt-Ampere Curves CC ModeCV Mode Installing Welding Generator InstallationFuel Consumption Movement Airflow Clearance Do not lift unit from endEngine Prestart Checks Keep radiator and air intake clean and free of dirtFull 13 mm Diesel Fuel Do not use gasoline. Gasoline will damage engineAdding Coolant To Radiator Connecting The BatteryConnecting To Weld Output Terminals Installing Exhaust PipeRemote 14 Receptacle RC5 Information Selecting Weld Cable Sizes100 ft 30 m Or Less 10 100% Duty CycleOM-492 Controls See Section Operating Welding GeneratorDescription Of Controls See Section Mode Meter Reading At Idle Meter Reading While Welding Mode Switch SettingsMode Switch Setting Process Output On/Off Control Meter FunctionsTouch Seconds Do not Strike Like a Match Lift-Arc TIG ProcedureThree-Phase 240 Auxiliary Power Receptacles And Circuit BreakersOperating Auxiliary Equipment Weld Total 120Plug Wired for 120/240 Load. See circuit diagramWire Load 120V Plug Wired for 240 V, 2-Wire LoadMaintenance and Troubleshooting 800 h 500 h1000 h 2000 hMaintenance Label To Clean air filter Servicing Air CleanerDo not clean housing with air hose Servicing Optional Spark ArrestorServicing Engine Lubrication And Fuel Systems Servicing Engine Cooling System Adjusting Idle Speed Adjusting Engine SpeedAdjusting Weld/Power Speed Weld Speed Jam Nut Adjustment ScrewOverload Protection Voltmeter/Ammeter Help Displays Trouble Remedy TroubleshootingWelding Necessary parts Auxiliary PowerNo power output Reset circuit breakers see Section Engine CT1 Reset circuit breaker CB9 see SectionOM-492 Circuit Diagram For Welding Generator Electrical Diagrams200 Wetstacking RUN-IN ProcedureWelding Generator Weld Cables Run-In Procedure Using Load BankLoad Bank Do not touch hot exhaust Run-In Procedure Using Resistance GridBank/grid From flammablesGrounding Generator To Truck Or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment How Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying 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 xTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible112 Parts List104 103 102 101 100 105 109 108 107 1064746 8988 Item Dia Part Mkgs Description Quantity PLG11 Front Panel Front Panel -5, Item Inverter Assembly Inverter Assembly -5, Item Generator Support ServiceCall Contact your Distributor forHobart Welding Products