Hobart Champion 4500 manual Maintenance

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SECTION 7 – MAINTENANCE

NOTE

Follow the storage procedure in the engine owner’s manual if the unit will not be used for an extended period.

7-1. Routine Maintenance

Y Stop engine before maintaining.

Recycle

. See Engine Manual and Maintenance Label.

Service more often if used in severe conditions.

engine

fluids.

* To be done by Factory Authorized Service Agent.

Every 8 h

Check fluid levels.	Wipe up spills.
See Section 4-4.

Clean area around muffler.

Every 25 h

Service air cleaner precleaner. See Section 7-2.

Every 50 h

Change oil. See engine manual.

Clean and tighten weld terminals.

Service air cleaner ele- ment. See Section 7-2.

Every 100 h

Check	Clean	cooling
spark	system.	See
plugs.	Engine Manual.

Every 200 h

Every 300 h

Replace unreadable labels.

Check valve clearance.*

Repair or replace cracked cables.

Every 500 h

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

Every 1000 h

Blow	out or	vacuum	OR
inside.	During	heavy	OR

service, clean monthly.

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Contents Processes OM-4418210 597ADescription From Hobart to You Table of Contents Page Electric Shock can kill Marks a special safety messageArc Welding Hazards Fumes and Gases can be hazardousEngine Hazards Compressed Air Hazards Principal Safety Standards EMF InformationUN Choc Électrique peut tuer Signification des symbolesConsignes DE Sécurité Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie ’EXPLOSION DE LA Batterie peutDES Organes Mobiles peuvent provoquer des blessures ’AIR Comprimé peut provoquer des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesWeld, Power, And Engine Specifications SpecificationsSymbol Definitions Dimensions, Weights, And Operating AnglesDuty Cycle Exceeding duty cycle can damage unit and void warrantyFuel Consumption 100% Duty Cycle at 90 Amperes CC/ACGenerator Power Curve Volt-Ampere CurvesInstalling Welding Generator InstallationGrounding Generator To Truck Or Trailer Frame 13 mm Full Gasoline Open Closed Grounding Generator When Supplying Building SystemsEngine Prestart Checks Oil45 m 60 m 70 m 90 m 105 m 120 m Connecting To Weld Output TerminalsSelecting Weld Cable Sizes Put terminalsOperating the Welding Generator Controls See SectionDescription Of Controls See Section To Stop turn engine switch to OffAmperage Selection Table For Stick Smaw Electrodes Use GFCI-protected extension cord Generator Power Panel ReceptaclesOperating Auxiliary Equipment 240 V 20 a AC Duplex Receptacle RC1Maintenance Washing Precleaner Servicing Air CleanerClean element by gently tapping on a hard surface Stop engineGenerator Power TroubleshootingTroubleshooting WeldingEngine With proper viscosity oil for operating temperatureStarting difficult Electrical Diagrams Circuit Diagram For Welding GeneratorGenerator Power Guidelines Selecting EquipmentEarth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Work like a ProSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesWeld current starts when electrode touches work- piece Stick Welding ProcedureStick Welding Smaw Guidelines Striking an Arc Scratch Start Technique Electrode and Amperage Selection ChartStriking an Arc Tapping Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics 10-30 9090 End View of Work AngleConditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint 16 in 30 1.6 mm Tack WeldsWeld Test Troubleshooting PorosityTroubleshooting Excessive Spatter Possible Causes Corrective ActionsTroubleshooting Lack Of Penetration Troubleshooting Incomplete FusionTroubleshooting Excessive Penetration Troubleshooting Waviness Of Bead Troubleshooting Burn-ThroughTroubleshooting Distortion Parts List 35 36Dia Part Description Quantity Mkgs Work like a Pro Page Page Service SupportContact your Distributor for Hobart Welding Products