Lincoln Electric IM10074 manual PRObLEMS POSSIbLE, Symptoms

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E-2		TROUbLESHOOTING	E-2

	Observe all Safety Guidelines detailed throughout this manual

	PRObLEMS	POSSIbLE	RECOMMENDED
	(SYMPTOMS)	CAUSE	COURSE OF ACTION

PRObLEMS

No generator power or welding output. 1.	Disconnect anything plugged into
	auxiliary receptacles and weld loads.
2.	Open lead in flashing or field circuit.
3.	Open flashing diode (D1)
4.	Faulty brushes.
5.	Faulty rheostat (R1).
6.	Faulty field rectifier (D1).
7.	Faulty capacitor (C1).
8.	Faulty stator field winding.
9.	Faulty rotor.
10. Dirty slip rings, clean slip rings when
	not in use.

Generator power is available but unit 1.	Loose connection to output stud.
will not weld.
2.	Work not connected.
3.	Electrode holder loose.
4.	No open circuit voltage at output
	studs. Open lead in weld circuit.

If all recommended possible areas of misadjustment have been checked and the problem persists,

Contact your local Lincoln Authorized Field Service Facility.

5. Faulty reactor (L1).

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

bULLDOG™ 5500

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Contents Safety Depends on You BulldogSafety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcPlease Examine Carton and Equipment For Damage Immediately On-Line Product RegistrationTable of Contents Installation Storing Safety PrecautionsLocation and Ventilation Engine Exhaust can killTilting PRE-OPERATION Engine ServiceStacking OILTAbLE A.1 Recommended Welding CAbLE SIzE and Length Electrical Output ConnectionsWelding CAbLE Connections Hour MeterElectrical Connections 5INSTALLATIONA-5Auxiliary Power Receptacles Machine GroundingPremises Wiring Circuit bREAKERSType Common Electrical Devices Possible Concerns TAbLE A.2Electrical Device USE with this Product Operation Output Panel Controls LimitationsWELDER/GENERATOR Controls Engine Operation Gasoline Engine ControlsBEFORE Starting the Engine Starting the EngineRunning the Engine Generator OperationStopping the Engine LOW OIL SensingGenerator Power Applications TAbLE b.1To USE the bULLDOG 5500 for Welding Welding OperationControl Function / Operation Current Control Dial After YOU Finish the WeldTAbLE b.2 Material Thickness Electrode Type Size SettingWelding Guidelines Welding APPLICATIONS/ELECTRODE Selection GuideWhat Happens in the Arc? Welding circuit for Stick shielded metal arc weldingCorrect Arc Length Correct Welding PositionCorrect Way to Strike An Arc Correct Welding SpeedTypes of Welds PracticeCommon Metals Multiple Pass Welds Fillet JointsPenetration Welding in the Vertical PositionVertical-Up Welding Vertical-Down WeldingHardfacing To Reduce Wear How to Hardface the Sharp Edge Metal to Ground WearOverhead Welding Welding Sheet MetalWelding Cast Iron Cast Iron Plate PreparationLow Hydrogen Group AWS E7018 Selecting ElectrodesOut-of-Position Group AWS E6011 High-Speed Group AWS E6013 Lincoln Electric Accessories AccessoriesOPTIONS/ACCESSORIES Engine Maintenance MaintenanceRoutine and Periodic Maintenance Engine Adjustments Figure D.2 Clean AreaOperational Clearance Engine Maintenance PartsSpark Plug Service Part KohlerGENERATOR/WELDER Maintenance Figure D.6. bRUSH Removal and ReplacementFigure D.7. Major Component Locations 1TROUbLESHOOTINGE-1 PRObLEMS POSSIbLE SymptomsTROUbLESHOOTING Engine requires service to head, head gasket, and/or valves Diagrams Dimension Print M22563BULLDOG Precaucion Warnung