Lincoln Electric IM10005 manual Troubleshooting

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E-3		TROUBLESHOOTING	E-3

	Observe all Safety Guidelines detailed throughout this manual

	PROBLEMS	POSSIBLE	RECOMMENDED
	(SYMPTOMS)	CAUSE	COURSE OF ACTION

PROBLEMS

Unit will weld but low or no generator	1. Circuit breaker open.
power is available.
	2.	Loose or open connection with elec-
		trical plug-in component.
	3.	Current control dial not at “140”.
	4.	No open circuit voltage at receptacle.
		Open lead in receptacle circuit.
	5.	No open circuit voltage at receptacle.
		Bad receptacle.
	6.	Rheostat (R1) lead broke.

Engine runs erratically or stops running.	1. Engine is not fully warmed-up and
		engine choke is in the fully open
		(RUN) position.
	2.	Engine requires service to head, car-
		buretor, filters, oil, spark plug and/or
		gas.

Engine sputters but will not start.	1.	Bad gas, bad filter, air cleaner, spark
		plug, and/or breather.

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

Contact your local Lincoln Authorized Field Service Facility.

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™ 140

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Contents Bulldog California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Technical Specifications Bulldog 140 K2708-1 InstallationEngine Exhaust can kill Safety PrecautionsLocation and Ventilation StoringLifting PRE-OPERATION Engine ServiceStacking TiltingElectrical Output Connections Welding Cable ConnectionsTable A.1 Recommended Welding Cable Size and Length Machine Grounding 5INSTALLATIONA-5Auxiliary Power Receptacles Electrical ConnectionsCircuit Breakers Premises WiringType Common Electrical Devices Possible Concerns Table A.2 Electrical Device USE with the BulldogOperation Limitations WELDER/GENERATOR ControlsOutput Panel Controls Gasoline Engine Controls Engine OperationStarting the Engine Before Starting the EngineGenerator Operation Table B.1 Generator Power Applications Control Function / Operation Current Control Dial Welding OperationWelding Guidelines Material Thickness Electrode Type Size SettingWelding circuit for Stick shielded metal arc welding What Happens in the Arc?Correct Welding Speed Correct Welding PositionCorrect Way to Strike An Arc Correct Arc LengthPractice Common MetalsTypes of Welds Welding in the Vertical Position Fillet JointsPenetration Multiple Pass WeldsVertical-Down Welding Vertical-Up WeldingHardfacing To Reduce Wear How to Hardface the Sharp Edge Metal to Ground WearOverhead Welding Welding Sheet MetalCast Iron Plate Preparation Welding Cast IronSelecting Electrodes Out-of-Position Group AWS E6011 High-Speed Group AWS E6013Low Hydrogen Group AWS E7018 Accessories OPTIONS/ACCESSORIESLincoln Electric Accessories Maintenance Routine and Periodic MaintenanceEngine Maintenance Finger Guard Area Engine AdjustmentsTable D.1 Engine Maintenance Parts Spark Plug ServiceOperational Clearance Screws Brushes GENERATOR/WELDER MaintenanceFigure D.7. Major Component Locations HOW to USE Troubleshooting Guide TroubleshootingContact your local Lincoln Authorized Field Service Facility SymptomsTroubleshooting Engine requires service to head, head gasket, and/or valves Diagrams M22146 Dimension PrintBulldog Precaucion Guards off