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Lincoln Electric SP-100 service manual Table of Contents, Electrical Diagrams Section

Models: SP-100

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TABLE OF CONTENTS	Section G
– ELECTRICAL DIAGRAMS SECTION –

Electrical Diagrams		Section G
SP-100	Wiring Diagram (codes 9794 and above)	G-2
SP-100	Wiring Diagram (codes below 9794)	G-3
Control PC Board (G1842) Components		G-4
Control PC Board (G2314) Components		G-6
Machine Schematic (codes 9794 and above)		G-8
Machine Schematic (below code 9794)		G-9

SP-100

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Lincoln Electric SP-100 service manual Table of Contents, Electrical Diagrams Section

Contents

SP-100 Electric Shock can kill SafetyARC Rays can burn Fumes and Gases can be dangerousWelding Sparks can cause fire or explosion Cylinder may explode if damagedMay be dangerous Electric and Magnetic FieldsSûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Installation Section Table of ContentsTechnical Specifications SP-100 InstallationRead entire installation section before starting Safety PrecautionsInstallation Identify and Locate ComponentsSelect Suitable Location Work Clamp InstallationOutput Connections TiltingGAS Connection GUN InstallationConnecting GUN Cable to the SP-100 Input Connections PowerGas Solenoid Inlet Fitting InputRequirements for Maximum Output Code Requirements for Input ConnectionsRequirements for CSA Rated Output Requirements for Rated OutputSP-100 Table of Contents Wear eye, ear and body protec- tion OperationDesign Features Advantages Operational Features and ControlsGeneral Description OffWelding Operations Wire LoadingProcess Guidelines Sequence of OperationRefer to Figure B-4 Friction Brake AdjustmentsMaking a Weld Shielding GASOverload Protection SP-100 Accessories Section Replacement Parts 1ACCESSORIESLincoln GAS Regulator Kits K467 Input Line Cord Innershield Welding KitsMaintenance Section Routine and Periodic Maintenance MaintenanceItems Requiring no Maintenance Liner trim length for the Magnum 100L gun red trigger Changing the Contact TIPChanging Drive Roll Figure D.3 SP-100 SUB Assemblies SP-100 Theory of Operation Input Line VOLTAGE, FAN Motor and Main Transformer Figure E.1 Input Power CircuitsFigure E.2 Output Circuits Output CONTROL, RECTIFICA- Tion and Voltage Feedback3THEORY of Operation TRIGGER, GAS Solenoid and Wire DriveFigure E.4 SCR Operation SCR OperationThermostat protects the machine from Oscilloscope Waveforms Troubleshooting SectionHOW to USE Troubleshooting Guide 1TROUBLESHOOTING & RepairPC Board Troubleshooting Procedures Troubleshooting & RepairFacility Troubleshooting GuideAuthorized Field Service Below Code 9794 only Possible Areas of Misadjustments Problems SymptomsRecommended Course of Action Code 9794 and AboveFeeding Problems Troubleshooting Guide Codes 9794 and above 6J1 10J2 1J1 1J2 Codes below SP-100 PC Board Connector LocationsScope Settings 9TROUBLESHOOTING & RepairVolts Volts/Div Normal Open Circuit Voltage WaveformTypical Output Voltage Waveform Machine Loaded VoltsAbnormal Open Circuit Voltage Waveform Procedure Procedure DescriptionFAN Blade and Motor Removal Tools RequiredMotor Removal Procedure Wire Drive Assembly Removal1A. for Codes Above 1B. for Codes belowRetest After Repair Wire Speed RangeMain Transformer Secondary Voltages Test Points Input Amps AT Rated Output Input Amps AC @ Output DCSP-100 Electrical Diagrams Section Diagram Wiring DiagramsWiring 4 5 1 M SP-100 Wiring Diagram Codes BelowElectrical Diagrams Control P.C. Board G1842 Electrical DiagramsControl P.C. Board G2314 SCR1, SCR2 SCR 81 Heatsink Asbly Control P.C. Board G2314Error Machine Schematic Codes 9794 and Above86R R63R64 1 5 K Machine Schematic Codes BelowSVM Error Reporting Form