Lincoln Electric SVM103-A service manual Installation, Technical Specifications POWER-ARC

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A-1

INSTALLATION

TECHNICAL SPECIFICATIONS - POWER-ARC 4000

			INPUT - GASOLINE ENGINE
Manufacturer	Description		Speed	Displacement		Ignition			Capacities
Briggs &	1 cyl.,		3700 RPM		19.4 cu. in.	Manual,			Fuel: 1.0 gal. (3.8 l)
Stratton Cool-	4 cycle		± 50 RPM		(319 cc)	Recoil
Bore®	air-cooled		at no load			start; Manual			Oil: 1.4 qt. (1.3 l)
	gasoline					choke
	8 HP @
	3750 RPM

			RATED OUTPUT - WELDER
Duty Cycle				Amps		Volts at Rated Amperes
30% Duty Cycle				125				18 VAC
60% Duty Cycle				100				25 VAC

	OUTPUT		- WELDER AND GENERATOR
Welding Ranges			Welder Open Circuit Voltage			AC Auxiliary Power
70 - 125 Amps			62 VAC Max.			4000 Continuous Watts
							4400 Surge Watts

			PHYSICAL		DIMENSIONS
Height			Width		Depth				Weight
20.9 in.			20 in.		30 in.				160 lb.
530 mm			508 mm		762 mm				72.5 kg

POWER-ARC 4000

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Contents POWER-ARC TM4000 Safety POWER-ARCElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications POWER-ARCStoring Safety PrecautionsLocation and Ventilation PRE-OPERATION Engine Service Power ARC Electrical Output ConnectionsWelding Cable Connections Cable Size and LengthAuxiliary Power Receptacles Cable InstallationMachine Grounding Plugs and HAND-HELD EquipmentPremises Wiring Circuit BreakersTable A.2 Electrical Device USE with the POWER-ARC Type Common Electrical Devices Possible ConcernsTable of Contents Operation Section Safety Instructions OperationOperating Instructions General DescriptionOperational Features and Controls Design Features AdvantagesRecommended Applications Welding CapabilityControls and Settings GENERATOR/WELDER ControlsFigure B.2 Gasoline Engine Controls Gasoline Engine ControlsStarting the Engine Engine OperationBefore Starting the Engine BREAK-IN Period Stopping the EngineRunning the Engine General Information To USE the Generator AS AN Auxiliary Power SupplyGenerator Operation Table B.3 Generator Power Applications After YOU Finish the Weld To USE the POWER-ARC 4000 for WeldingWelding Operation Stick Welding Material Thickness Electrode Type Size SettingWelding Guidelines Welding Circuit ARC12/95 POWER-ARC Four Factors of Successful WeldingElectrode Correct WAY to Strike AN ARCCorrect ARC Length Correct Welding SpeedTable of Contents Accessories Briggs and Stratton Accessories OPTIONS/ACCESSORIESLincoln Electric Accessories Table of Contents Maintenance Routine and Periodic Maintenance Engine MaintenanceFigure D.2 Clean Rotating SCREEN/FINGER GUARD/DEBRIS Guard Figure D.4 SET Spark Plug GAP Part Part Number Table D.2 Engine Maintenance PartsGENERATOR/WELDER Maintenance Figure D.6. Major Component Locations Table of Contents Theory of Operation Section Theory of Operation ENGINE, EXCITATION, Rotor and StatorRotor Field Feedback and Auxiliary Power Figure E.3 Field Excitation and Auxiliary PowerAuxiliary Power Overcurrent Protection Weld Winding and ReactorTable of Contents Trouble Shooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting GuideTroubleshooting Guide Output ProblemsOr contact your local Lincoln Local Lincoln Electric Authorized Troubleshooting & Repair Troubleshooting & Repair Engine Problems Engine Problems Welding Problems Materials Needed Rotor Voltage TestTest Description Test Procedure Ground Stud Lead 200A Connection Output PanelRotor Resistance Test Slip RingsFigure F.3 Brushes Retained with Cable TIE Cable TIE BrushesEngine Throttle Adjustment Test Mark Strobe-tach MethodFrequency Counter Method Oscilloscope MethodFigure F.5 Location of Engine Throttle Adjustment NUT NUTHigh Idle no Load Scope SettingsNormal Open Circuit Weld Voltage Waveform Normal Open Circuit Voltage Waveform 115 VAC Supply Machine Loaded to 125 Amps AT 23 VAC Typical Weld Output WaveformMachine Loaded Brush Removal and Replacement DescriptionProcedure Figure F.6 Brushes Retained with Cable TIEProcedure Rheostat Removal and Replacement Figure F.7 Rheostat Removal Capacitor AND/OR Diode Bridge Removal Replacement Capacitor AND/OR Diode Bridge Removal and Replacement Procedure Capacitor Removal and ReplacementProcedure Diode Bridge Removal and Replacement STATOR/ROTOR Removal and Replacement InstructionsStator Removal Procedure TIE WrapOutput TerminalsThru Bolts Support Nuts POWER-ARC Figure F.10 Stator END Bracket Support and THRU-BOLTSRotor THRU-BOLT Rotor Removal ProcedureReassembly Procedure Feeler Gauge RotorAuxiliary Power Receptacle OUTPUT1 Retest After RepairEngine Output WELDER/GENERATOR OUTPUT1POWER-ARC Section G Table of ContentsElectrical Diagrams Electrical Diagram POWER-ARCPOWER-ARC POWER-ARC