Lincoln Electric IM10005 manual HOW to USE Troubleshooting Guide

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TROUBLESHOOTING

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HOW TO USE TROUBLESHOOTING GUIDE

WARNING

Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

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This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM).

Look under the column labeled “PROBLEM (SYMP- TOMS)”. This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may contribute to the machine symptom.

Step 3. RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause, generally it states to contact your local Lincoln Authorized Field Service Facility.

If you do not understand or are unable to perform the Recommended Course of Action safely, 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 InstallationLocation and Ventilation Safety PrecautionsStoring Engine Exhaust can killStacking PRE-OPERATION Engine ServiceTilting LiftingWelding Cable Connections Electrical Output ConnectionsTable A.1 Recommended Welding Cable Size and Length Auxiliary Power Receptacles 5INSTALLATIONA-5Electrical Connections Machine GroundingCircuit Breakers Premises WiringType Common Electrical Devices Possible Concerns Table A.2 Electrical Device USE with the BulldogOperation WELDER/GENERATOR Controls LimitationsOutput 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 Way to Strike An Arc Correct Welding PositionCorrect Arc Length Correct Welding SpeedCommon Metals PracticeTypes of Welds Penetration Fillet JointsMultiple Pass Welds Welding in the Vertical PositionVertical-Down Welding Vertical-Up WeldingOverhead Welding How to Hardface the Sharp Edge Metal to Ground WearWelding Sheet Metal Hardfacing To Reduce WearCast Iron Plate Preparation Welding Cast IronOut-of-Position Group AWS E6011 High-Speed Group AWS E6013 Selecting ElectrodesLow Hydrogen Group AWS E7018 OPTIONS/ACCESSORIES AccessoriesLincoln Electric Accessories Routine and Periodic Maintenance MaintenanceEngine Maintenance Finger Guard Area Engine AdjustmentsSpark Plug Service Table D.1 Engine Maintenance PartsOperational 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