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Lincoln Electric SVM134-A service manual Table of Contents Accessories

Models: SVM134-A

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Section C-1Section C-1

TABLE OF CONTENTS

- ACCESSORIES -

Accessories	Section C
Options/Accessories	C-2
Semiautomatic Welding Accessories	C-2
Connection of Lincoln Electric Wire Feeders	C-3
Connection of the LN-25 “Across the Arc”	C-3

CLASSIC I

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Lincoln Electric SVM134-A service manual Table of Contents Accessories

Contents

Classic I TM California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Classic InstallationLocation and Ventilation Safety PrecautionsStoring PRE-OPERATION Engine Service Muffler Cooling SystemExhaust Spark Arrester TrailersFigure A.1 Ground Stud Location Machine GroundingElectrical Output Connections Auxiliary Power Receptacle PLUGS, and HAND-HELD EquipmentWelding Cable Connections Cable size for combined lengthClassic Table of Contents Operation Section Operation Safety InstructionsOperating Instructions Recommended Applications Operational Features and ControlsWelder GeneratorWELDER/GENERATOR Controls Controls and SettingsFigure B.2 Current Controls Control of Welding CurrentReturn Section TOC Gasoline Engine ControlsBefore Starting the Engine Engine OperationStarting the Engine Cold Weather Starting Stopping the EngineBREAK-IN Period After you finish welding Welding OperationTable B.1 Range Settings for Wire SIZE/SPEED Auxiliary PowerTable of Contents Accessories Semiautomatic Welding Accessories OPTIONS/ACCESSORIESWire Feed Module see Figure C.1 Connection of Lincoln Electric Wire FeedersConnection of the LN-25 to Classic I Across the ARC withClassic Table of Contents Maintenance Engine Maintenance Safety Precautions Routine and Periodic MaintenanceFigure D.1 OIL Drain and Refill MAX MIN Figure D.2A Engine Coolant Drain Plug Gap Specifications 0.032 inch .8 mm After cleaning or when installing a new spark plugSet the terminal gap with a feeler gauge or gapping Tool. See Figure D.4Classic I charging system is Negative Battery MaintenanceReturn to Section Return to Section TOC WELDER/GENERATOR MaintenanceIdler Maintenance Figure D.5 Major Component Locations Classic Table of Contents Theory of Operation Section Theory of Operation BATTERY, STARTER, Engine Alternator and OIL Switch CircuitGeneral Description Excitation Flashing ENGINE, Main Generator Armature and Frame and DC ExciterMain SHUNT, Interpole and Series Coils Current Range Selector Fine Current AdjustmentEngine Idler Circuit DC Generator Machines Return to Section TOC Table of Contents Troubleshooting & Repair Section HOW to USE Troubleshooting Guide Troubleshooting & RepairPC Board can be damaged by static electricity PC Board Troubleshooting ProceduresObserve Safety Guidelines Troubleshooting GuideDetailed in the beginning of this manual Shunt Field Winding Test Main Generator Throttle Adjustment Test Output Problems Function Problems Troubleshooting & Repair Engine Problems Welding Problems Test Description DC Exciter TestMaterials Needed DC Exciter Test Test ProcedureFigure F.2 Exciter Cover Removal Shunt Coil and Series Coil Resistance Tests Small Flex Lead SolidIdler Solenoid Test Troubleshooting & Repair Main Generator Shunt Field Winding Test Main Generator Shunt Field Winding Test Figure F.6 Plug P10 PIN Assignments TAB Engine Throttle Adjustment Test Strobe Tach Method Engine Throttle Adjustment TestAdjust High Idle Engine Throttle Adjustment TestAdjust Low Idle Description Flashing the FieldsFlashing the Fields ProcedureFigure F.11 Brush HOLDER/BATTERY Jumper Connections Normal Open Circuit Voltage Waveform 115VDC Supply Scope SettingsHigh Idle no Load Fine Current Control Rheostat AT Maximum Normal Open Circuit DC Weld Voltage Waveform Typical DC Weld Voltage Waveform Machine Loaded Selector Switch AT MaximumDC Exciter Armature and Field Coils Removal and Replacement Reassembly DC Exciter Armature Removal ProcedureDC Exciter Armature and Field Coils Perform the DC Exciter Armature Removal Procedure Field Coils Removal ProcedureMain Generator Frame Removal and Replacement Replacement Bolt / NUT Main Generator Frame RemovalPerform the DC Exciter Armature Removal Lead Figure F.16 Selector Switch Lead Removal TerminalFigure F.18 Choke Control Cable Removal Loosen Here Main Generator Frame Removal Figure F.20 Front Panel Fastener Removal Troubleshooting & Repair Remove Mounting NUTS, Washers Bolts FeetPerform the DC Exciter Armature Reassembly Procedure Main Generator Armature Removal and Replacement Armature is now free to be removed from the engine Main Generator Armature RemovalRetest After Repair DC Auxiliary Power Receptacle OutputEngine Output Welder DC OutputElectrical Diagrams Section Wiring Diagram Classic Electrical DiagramsWiring Diagram Wire Feed Module Wire Feed Module Wiring Diagram16990 M Schematic Idler PC BoardIdler PC Board Assembly Idler PC Board