Hobart Welding Products 4500 manual Engine, Starting difficult

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Trouble	Remedy

Erratic output at generator power ac	Check fuel level.
receptacles.

	Check Amperage control setting. Set Amperage control at Max for generator power.

	Check receptacle wiring and connections.

	Check governor linkage for smooth, non-binding operation.

	Service air cleaner according to engine manual.

	Have Factory Authorized Service Agent check engine speed, and adjust if necessary.

C. Engine

Trouble	Remedy

Engine will not start.	Check fuel level (see Section 5-5).

	Move choke control to correct position (see Section 6-1).

	Open fuel valve (see Section 5-5). Close fuel valve before moving unit or carburetor may flood and make
	starting difficult.

	Check oil level (see Section 5-5). Low oil level shutdown may stop if oil level is too low. Refill crankcase
	with proper viscosity oil for operating temperature.

	Have Factory Authorized Service Agent check low oil level shutdown switch.

Engine stopped during normal	Check fuel level (see Section 5-5).
operation.

	Open fuel valve (see Section 5-5). Close fuel valve before moving unit or carburetor may flood and make
	starting difficult.

	Check oil level (see Section 5-5). Low oil level shutdown may stop if oil level is too low. Refill crankcase
	with proper viscosity oil for operating temperature.

Unstable or sluggish engine speeds.	Check governor linkage for smooth, non-binding operation.

	Tune-up engine according to engine manual.

	Have Factory Authorized Service Agent check engine speed, and adjust if necessary.

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Contents Description OM-4418210 597KProcesses From Hobart to You Table of Contents Page 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 interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation DES Pièces Chaudes peuvent provoquer des brûlures graves LES Fumées ET LES GAZ peu- vent être dangereuxLE Soudage peut provoquer un incendie ou une explosion LE Bruit peut affecter l’ouïe’EXPLOSION DE LA Batterie peut Rendre Aveugle DES Organes Mobiles peuvent provoquer des blessuresRisque 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 LES Fils DE Soudage peuvent provoquer des blessures’EMPLOI Excessif peut UNE Remorque QUI Bascule peut entraîner des blessuresProposition californienne 65 Avertissements Principales normes de sécuritéInformation EMF En ce qui concerne les implants médicaux− Specifications Symbol DefinitionsWeld, Power, And Engine Specifications − DefinitionsDimensions, Weights, And Operating Angles Aux Power Gal./Hr Weld Power In KWFuel Consumption Weld Amps At Rated Duty CycleGenerator Power Curve AC Power VoltsAC Power Amperes Duty CycleAC Amps Volt-Ampere CurvesVolts Max Amp Min Amp − Installation Installing Welding GeneratorRating Label Location MovementGrounding Generator When Supplying Building Systems Grounding Generator To Truck Or Trailer FrameOil Engine Prestart Checks13 mm Full Gasoline Open/On Closed/Off Connecting To Weld Output Terminals Connecting to weld Selecting Weld Cable Sizes150 ft 200 ft 250 ft 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 mMaterial Thickness Reference Chart − Operating the Welding Generator Controls See SectionAmperage Selection Table For Stick Smaw Electrodes To Stop turn engine switch to OffDescription Of Controls See Section Generator Power Panel Receptacles − Operating Auxiliary EquipmentUse GFCI-protected extension cord X 15 a + 240 V x 9 a = 4 kVA/KW OM-4418− Maintenance Routine MaintenanceServicing Air Cleaner Stop engine− Troubleshooting TroubleshootingGenerator Power WeldingStarting difficult With proper viscosity oil for operating temperatureEngine − Electrical Diagrams Circuit Diagram For Welding Generator− Generator Power Guidelines Selecting EquipmentGrounding When Supplying Building Systems How Much Power Does Equipment Require?Use #10 AWG or larger insulated Resistive Load Volts 115 AmpsApproximate 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 Stick Welding Procedure − Stick Welding Smaw GuidelinesStriking an Arc − Tapping Technique Electrode and Amperage Selection ChartStriking an Arc − Scratch Start Technique Poor Weld Bead Characteristics Good Weld Bead CharacteristicsPositioning Electrode Holder 10-30 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingButt Joints Lap JointTee Joint 16 in 30 1.6 mm Tack WeldsTroubleshooting − Porosity Troubleshooting − Excessive SpatterWeld Test Possible Causes Corrective ActionsTroubleshooting − Excessive Penetration Troubleshooting − Incomplete FusionTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead Work like a Pro − Parts List Main AssemblySR1 Start Your Professional Welding Career Now Assistance ServiceSupport Contact your Distributor for Hobart Welding Products