Lincoln Electric SVM103-A guide

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A-7

INSTALLATION

CAUTION

Certain Electrical devices cannot be powered by the POWER-ARC 4000. See Table A.2.

TABLE A.2

ELECTRICAL DEVICE USE WITH THE POWER-ARC 4000.

Type	Common Electrical Devices	Possible Concerns

Resistive	Heaters, toasters, incandescent	NONE
	light bulbs, electric range, hot
	pan, skillet, coffee maker.

Capacitive	TV sets, radios, microwaves,	Voltage spikes or high voltage
	appliances with electrical control.	regulation can cause the capac-
		itative elements to fail. Surge
		protection, transient protection,
		and additional loading is recom-
		mended for 100% fail-safe
		operation. DO NOT RUN
		THESE DEVICES WITHOUT
		ADDITIONAL RESISTIVE TYPE
		LOADS.

Inductive	Single-phase induction motors,	These devices require large
	drills, well pumps, grinders, small	current inrush for starting. (See
	refrigerators, weed and hedge	Table B.3, GENERATOR POWER
	trimmers	APPLICATIONS, in the OPERA-
		TION section of this manual for
		required starting wattages.)
		Some synchronous motors may
		be frequency sensitive to attain
		maximum output torque, but
		they SHOULD BE SAFE from
		any frequency induced failures.

Capacitive/Inductive	Computers, high resolution TV sets,	An inductive type line condition-
	complicated electrical equipment.	er along with transient and
		surge protection is required,
		and liabilities still exist. DO
		NOT USE THESE DEVICES
		WITH A POWER-ARC 4000.

The Lincoln Electric Company is not responsible for any damage to electrical components improperly connect- ed to the POWER-ARC 4000.

POWER-ARC 4000

Image 14

Lincoln Electric SVM103-A service manual Table A.2 Electrical Device USE with the POWER-ARC

Contents

POWER-ARC TM4000 Safety POWER-ARC Electric Shock can kill Welding Sparks can cause fire or explosion Iii Précautions DE Sûreté Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications POWER-ARC Storing Safety PrecautionsLocation and Ventilation PRE-OPERATION Engine Service Welding Cable Connections Power ARCElectrical Output Connections Cable Size and Length Machine Grounding Auxiliary Power ReceptaclesCable Installation Plugs and HAND-HELD Equipment Premises Wiring Circuit Breakers Table A.2 Electrical Device USE with the POWER-ARC Type Common Electrical Devices Possible Concerns Table of Contents Operation Section Operating Instructions Safety InstructionsOperation General Description Recommended Applications Operational Features and ControlsDesign Features Advantages Welding Capability Controls and Settings GENERATOR/WELDER Controls Figure B.2 Gasoline Engine Controls Gasoline Engine Controls Starting 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 ARC Electrode 12/95 POWER-ARCFour Factors of Successful Welding Correct WAY to Strike AN ARC Correct ARC Length Correct Welding Speed Table of Contents Accessories Briggs and Stratton Accessories OPTIONS/ACCESSORIESLincoln Electric Accessories Table of Contents Maintenance Routine and Periodic Maintenance Engine Maintenance Figure 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 Stator Rotor Field Feedback and Auxiliary Power Figure E.3 Field Excitation and Auxiliary Power Auxiliary Power Overcurrent Protection Weld Winding and Reactor Table of Contents Trouble Shooting & Repair Section Troubleshooting & Repair HOW to USE Troubleshooting Guide Troubleshooting Guide Output Problems Or 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 Panel Rotor Resistance Test Slip Rings Figure F.3 Brushes Retained with Cable TIE Cable TIE Brushes Engine Throttle Adjustment Test Frequency Counter Method MarkStrobe-tach Method Oscilloscope Method Figure F.5 Location of Engine Throttle Adjustment NUT NUT High 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 Description Procedure Figure F.6 Brushes Retained with Cable TIE Procedure 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 Replacement Procedure Diode Bridge Removal and Replacement STATOR/ROTOR Removal and Replacement Instructions Output Stator Removal ProcedureTIE Wrap Terminals Thru Bolts Support Nuts POWER-ARC Figure F.10 Stator END Bracket Support and THRU-BOLTS Rotor THRU-BOLT Rotor Removal ProcedureReassembly Procedure Feeler Gauge Rotor Engine Output Auxiliary Power Receptacle OUTPUT1Retest After Repair WELDER/GENERATOR OUTPUT1 POWER-ARC Section G Table of ContentsElectrical Diagrams Electrical Diagram POWER-ARC POWER-ARC POWER-ARC