Lincoln Electric SVM103-C service manual Safety Precautions, Location and Ventilation, Storing

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INSTALLATION

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Read this entire installation section before you start installation.

SAFETY PRECAUTIONS

WARNING

Do not attempt to use this equipment until you have thoroughly read all the operation and maintenance manuals supplied with your machine. They include important safety precautions; detailed engine starting, operating, and maintenance instructions; and parts lists.

ELECTRIC SHOCK can kill.

•Do not touch electrically live parts or electrodes with your skin or wet clothing.

•Insulate yourself from the work and ground.

•Always wear dry insulating gloves.

ENGINE EXHAUST can kill.

•Use in open, well ventilated areas or vent exhaust to the outside.

•Do not stack anything on or near the engine.

MOVING PARTS can injure.

•Do not operate this equip- ment with any of its doors open or guards off.

•Stop the engine before ser- vicing it.

•Keep away from moving parts.

Only qualified personnel should install, use, or service this equipment.

LOCATION AND VENTILATION

Whenever you use the POWER-ARC 4000, be sure that clean cooling air can flow through the machine’s gasoline engine and the generator. Avoid dusty, dirty areas. Also, keep the machine away from heat sources. Do not place the back end of the generator anywhere near hot engine exhaust from another machine. And of course, make sure that engine exhaust is ventilated to an open, outside area.

The POWER-ARC 4000 may be used outdoors. Do not set the machine in puddles or otherwise sub- merge it in water. Such practices pose safety haz- ards and cause improper operation and corrosion of parts.

Always operate the POWER-ARC 4000 with the case roof on and all machine components completely assembled. This will protect you from the dangers of moving parts, hot metal surfaces, and live electrical devices.

STORING

1.Store the machine in a cool, dry place when it’s not in use. Protect it from dust and dirt. Keep it where it can’t be accidentally damaged from con- struction activities, moving vehicles, and other hazards.

2.If you will be storing the machine for over 30 days, you should drain the fuel to protect fuel system and carburetor parts from gum deposits. Empty all fuel from the tank and run the engine until it stops from lack of fuel.

3.You can store the machine for up to 24 months if you use Briggs & Stratton Gasoline Additive, Part No. 5041 (available from any Authorized Briggs & Stratton Service Center), in the fuel system. Mix the additive with the fuel in the tank and run the engine for a short time to circulate the additive through the carburetor.

4.While the engine is still warm, drain the oil and refill with fresh oil per the engine manual.

5.Remove the spark plug and pour approximately 1/2 ounce (15 ml) of engine oil into the cylinder. Replace the spark plug and crank the engine slowly to distribute the oil.

6.Clean any dirt and debris from the cylinder and cylinder head fins and housing, rotating screen, and muffler areas.

7.Store in a clean, dry area.

POWER-ARC 4000

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Contents Safety Depends on You POWER-ARCCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Welding Sparks can cause fire or explosion Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications POWER-ARC InstallationSafety Precautions Location and VentilationStoring PRE-OPERATION Engine Service Cert. Kool Bore Spark ArresterWelding Cable Connections Electrical Output ConnectionsCable Size for 125 ampAuxiliary Power Receptacles Machine GroundingPlugs and HAND-HELD Equipment Circuit Breakers Premises WiringThese Devices Without POWER-ARC Table of Contents Operation Section Operation Safety InstructionsOperating Instructions General DescriptionDesign Features Advantages Operational Features and ControlsRecommended Applications Welding CapabilityGENERATOR/WELDER Controls Controls and Settings20 AMP, 120 Volt Duplex Receptacle Gasoline Engine ControlsEngine Operation Before Starting the EngineStarting the Engine For a HOT Engine To USE the Generator AS AN Auxiliary Power Supply Generator OperationGeneral Information Suggested Power Applications Running Watts Start-up Watts Table B.1 Generator Power ApplicationsWelding Operation Table B.2 Welding APPLICATIONS/ELECTRODE Selection Guide Welding GuidelinesOperation What Happens in the Arc? Correct Welding Position Correct Arc Length Use the following PracticeDo the following Butt WeldsPenetration Fillet WeldsVertical-Down Welding Vertical-Up WeldingOverhead Welding Hardfacing To Reduce WearWelding Sheet Metal Cast Iron Plate Preparation Welding Cast IronHigh-Speed Group AWS E6013 Out-of-Position Group AWS E6011Low Hydrogen Group Stable-Arc E7018 Table of Contents Accessories Section Accessories OPTIONS/ACCESSORIESLincoln Electric Accessories Table of Contents Maintenance Section Routine and Periodic Maintenance MaintenanceEngine Maintenance Engine AdjustmentsFigure D.2 Clean Rotating SCREEN/FINGER GUARD/DEBRIS Guard Table D.1 Engine Maintenance Schedule Do not attempt to polish slip rings while engine is running GENERATOR/WELDER MaintenanceFigure D.6. Major Component Locations Table of Contents Theory of Operation Section ENGINE, EXCITATION, Rotor and Stator Theory of OperationFigure E.3 Field Excitation and Auxiliary Power Rotor Field Feedback and Auxiliary PowerWeld Winding and Reactor Auxiliary Power Overcurrent ProtectionTable of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairOutput Problems TroubleshootingOr contact your local Lincoln Electric Authorized Field SerVice Facility Local Lincoln Electric Authorized Field Service FacilityTroubleshooting Rotor Resistance Test Engine Problems Troubleshooting Engine Throttle Adjustment Rotor Voltage Test This procedure takes approximately 15 minutes to performTest Description Materials NeededRotor Voltage Test Test ProcedureRotor Resistance Test This procedure takes approximately 25 minutes to performRotor Resistance Test Figure F.3 Brushes Retained with Cable TIE This procedure takes approximately 20 minutes to perform Engine Throttle Adjustment TestStrobe-tach Method Frequency Counter MethodOscilloscope Method Wing NUT High Speed Stop Screw Scope Settings Normal Open Circuit Weld Voltage WaveformHigh Idle no Load Normal Open Circuit Voltage Waveform 115 VAC Supply Typical Weld Output Waveform Machine LoadedMachine Loaded to 125 Amps AT 23 VAC Description Brush Removal and ReplacementProcedure Brush Removal and ReplacementProcedure Rheostat Removal and Replacement Figure F.7 Rheostat Removal This procedure takes approximately 35 minutes to perform Capacitor AND/OR Diode Bridge Removal and ReplacementFigure F.8 Location and Discharging the Field Capacitor Procedure Capacitor Removal and REPLACE- MentFigure F.8A Field Diode Bridge Location Procedure Field Diode Bridge Removal and ReplacementSTATOR/ROTOR Removal and Replacement This procedure takes approximately 3 hours to performInstructions STATOR/ROTOR Removal and Replacement Troubleshooting & Repair Rotor Removal Procedure Figure F.12 Checking ROTOR-STATOR AIR GAP Retest After Repair Auxiliary Power Receptacle OUTPUT1Engine Output WELDER/GENERATOR OUTPUT1Return to Section TOC Table of Contents Diagrams Section Wiring Diagram Power ARC DiagramsDIAGRAMSG-3 DIAGRAMSG-4 Dimension Print Power ARC Return to Section TOC SVM Error Reporting Form
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