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

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A-2

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 submerge it in water. Such practices pose safety hazards 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 10W30 oil.

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 POWER-ARC TM4000 POWER-ARC SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionPrécautions 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 Electrical Output Connections Power ARCWelding Cable Connections Cable Size and LengthCable Installation Auxiliary Power ReceptaclesMachine Grounding Plugs and HAND-HELD EquipmentCircuit Breakers Premises WiringType Common Electrical Devices Possible Concerns Table A.2 Electrical Device USE with the POWER-ARCTable of Contents Operation Section Operation Safety InstructionsOperating Instructions General DescriptionDesign Features Advantages Operational Features and ControlsRecommended Applications Welding CapabilityGENERATOR/WELDER Controls Controls and SettingsGasoline Engine Controls Figure B.2 Gasoline Engine ControlsEngine Operation Before Starting the EngineStarting the Engine Stopping the Engine Running the EngineBREAK-IN Period To USE the Generator AS AN Auxiliary Power Supply Generator OperationGeneral Information Table B.3 Generator Power Applications To USE the POWER-ARC 4000 for Welding Welding OperationAfter YOU Finish the Weld Material Thickness Electrode Type Size Setting Welding GuidelinesStick Welding ARC Welding CircuitFour Factors of Successful Welding 12/95 POWER-ARCElectrode Correct WAY to Strike AN ARCCorrect Welding Speed Correct ARC LengthTable of Contents Accessories OPTIONS/ACCESSORIES Lincoln Electric AccessoriesBriggs and Stratton Accessories Table of Contents Maintenance Engine Maintenance Routine and Periodic MaintenanceFigure D.2 Clean Rotating SCREEN/FINGER GUARD/DEBRIS Guard Figure D.4 SET Spark Plug GAP Table D.2 Engine Maintenance Parts GENERATOR/WELDER MaintenancePart Part Number Figure 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 Trouble Shooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairOutput Problems Troubleshooting GuideOr contact your local Lincoln Local Lincoln Electric Authorized Troubleshooting & Repair Troubleshooting & Repair Engine Problems Engine Problems Welding Problems Rotor Voltage Test Test DescriptionMaterials Needed Ground Stud Lead 200A Connection Output Panel Test ProcedureRotor Resistance Test Rings SlipCable TIE Brushes Figure F.3 Brushes Retained with Cable TIEEngine Throttle Adjustment Test Strobe-tach Method MarkFrequency Counter Method Oscilloscope MethodNUT Figure F.5 Location of Engine Throttle Adjustment NUTScope 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 ReplacementFigure F.6 Brushes Retained with Cable TIE ProcedureProcedure Rheostat Removal and Replacement Figure F.7 Rheostat Removal Capacitor AND/OR Diode Bridge Removal Replacement Procedure Capacitor Removal and Replacement Capacitor AND/OR Diode Bridge Removal and ReplacementProcedure Diode Bridge Removal and Replacement Instructions STATOR/ROTOR Removal and ReplacementTIE Wrap Stator Removal ProcedureOutput TerminalsFigure F.10 Stator END Bracket Support and THRU-BOLTS Thru Bolts Support Nuts POWER-ARCRotor Removal Procedure Reassembly ProcedureRotor THRU-BOLT Rotor Feeler GaugeRetest After Repair Auxiliary Power Receptacle OUTPUT1Engine Output WELDER/GENERATOR OUTPUT1POWER-ARC Table of Contents Electrical DiagramsSection G POWER-ARC Electrical DiagramPOWER-ARC POWER-ARC
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