Symptoms | Lincoln Electric IM10005 specs

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™ 140

Image 38

Lincoln Electric IM10005 manual Symptoms, Contact your local Lincoln Authorized Field Service Facility

Contents

Bulldog Safety California Proposition 65 Warnings Electric Shock can kill Welding and Cutting Sparks can Cause fire or explosion Iii Précautions DE Sûreté Sûreté Pour Soudage a L’Arc Please Examine Carton and Equipment For Damage Immediately On-Line Product Registration Table of Contents Installation Technical Specifications Bulldog 140 K2708-1 Storing Safety PrecautionsLocation and Ventilation Engine Exhaust can kill Tilting PRE-OPERATION Engine ServiceStacking Lifting Table A.1 Recommended Welding Cable Size and Length Electrical Output ConnectionsWelding Cable Connections Electrical Connections 5INSTALLATIONA-5Auxiliary Power Receptacles Machine Grounding Premises Wiring Circuit Breakers Table A.2 Electrical Device USE with the Bulldog Type Common Electrical Devices Possible Concerns Operation Output Panel Controls LimitationsWELDER/GENERATOR Controls Engine Operation Gasoline Engine Controls Before Starting the Engine Starting the Engine Generator Operation Table B.1 Generator Power Applications Welding Operation Control Function / Operation Current Control Dial Material Thickness Electrode Type Size Setting Welding Guidelines What Happens in the Arc? Welding circuit for Stick shielded metal arc welding Correct Arc Length Correct Welding PositionCorrect Way to Strike An Arc Correct Welding Speed Types of Welds PracticeCommon Metals Multiple Pass Welds Fillet JointsPenetration Welding in the Vertical Position Vertical-Up Welding Vertical-Down Welding Welding Sheet Metal How to Hardface the Sharp Edge Metal to Ground WearOverhead Welding Hardfacing To Reduce Wear Welding Cast Iron Cast Iron Plate Preparation Low 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 Finger Guard Area Operational Clearance Table D.1 Engine Maintenance PartsSpark Plug Service GENERATOR/WELDER Maintenance Screws Brushes Figure D.7. Major Component Locations Troubleshooting HOW to USE Troubleshooting Guide Symptoms Contact your local Lincoln Authorized Field Service Facility Troubleshooting Engine requires service to head, head gasket, and/or valves Diagrams Dimension Print M22146 Bulldog Precaucion Guards off