Electrical Diagrams | Lincoln Electric SVM167-A guide

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G-1	ELECTRICAL DIAGRAMS	G-1

TABLE OF CONTENTS

-ELECTRICAL DIAGRAMS SECTION-

ELECTRICAL DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SECTION G WIRING DIAGRAM - COMPLETE MACHINE - CODE 11070 - (L11986) . . . . . . . . . . . . . . . . . . . . . G-2 WIRING DIAGRAM - COMPLETE MACHINE - CODE 11099, 11247 - (L12184) . . . . . . . . . . . . . . . G-3 SCHEMATIC - COMPLETE MACHINE - CODE 11247 - (L12308/1) . . . . . . . . . . . . . . . . . . . . . . . . . G-4 SCHEMATIC - COMPLETE MACHINE - CODE 11247 - (L12308/2) . . . . . . . . . . . . . . . . . . . . . . . . . G-5 SCHEMATIC - COMMON ANALOG WIREDRIVE PC BOARD - CODE 11070 - (G3850 PG1) . . . . G-6 SCHEMATIC - COMMON ANALOG WIREDRIVE PC BOARD - CODE 11070 - (G3850 PG2) . . . . G-7 SCHEMATIC - COMMON ANALOG WIREDRIVE PC BOARD - CODE 11070 - (G3850 PG3) . . . . G-8SCHEMATIC-COMMON ANALOG WIREDRIVE PC BOARD-CODE 11099, 11247 - (G4414 PG1). G-9SCHEMATIC-COMMON ANALOG WIREDRIVE PC BOARD-CODE 11099, 11247 - (G4414 PG2). G-10SCHEMATIC-COMMON ANALOG WIREDRIVE PC BOARD-CODE 11099, 11247 - (G4414 PG3). G-11

*NOTE: Many PC Board Assemblies are now totally encapsulated, surface mounted and or multi-layered and are therefore considered to be unserviceable. Assembly drawings of these boards are no longer provided.

POWER MIG® 215

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Lincoln Electric SVM167-A service manual Table of Contents Electrical Diagrams Section

Contents

Safety Depends on You Power MIG California Proposition 65 Warnings Safety Can be dangerous Electric Shock can kill ARC Rays can burn Iii Welding and Cutting Sparks can cause fire or explosionCylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Master Table of Contents for ALL Sections Installation SECTION Table of Contents Technical Specifications Power MIG Installation Uncrating the Power MIG Safety PrecautionsInstallation Location Output Polarity Connections AUXILIARY POWER RECEPTACLES GUN and Cable InstallationShielding GAS Cylinder may explode if damaged Power MIG Operation SECTION Wear eye, ear and body protec- tion OPERATIONB-2 Operation To Start the Welder Procedure for Changing Drive AND IDLE Roll SetsWire Reel Loading READI-REELS, Spools or Coils Wire Drive Configuration Feeding Wire ElectrodeIdle Roll Pressure Setting Figure B.2b Making a Weld Wire Feed Overload Protection Avoiding Wire Feeding ProblemsFAN Control Input Line Voltage Variations Power MIG Accessories SECTION Accessories Installed 3ACCESSORIESC-3Making a Weld with the Spool GUN Adapter KIT and Spool GUN Power MIG Maintenance SECTION Maintenance Table D.1 Liner Removal and Replace Ment English Metric Description Size GUN Handle Disassembly Figure D.2 Major Component Locations Power MIG Theory of Operation SECTION Line Switch Theory of Operation Figure E.2 Input Power Circuit Figure E.3 Control Circuits Output Rectification Contactor and Control Board Figure E.4 Optional Circuits Control BOARD, GUN Trigger and Wire Drive Motor Thermal and Overload Protection Wirefeed Overload ProtectionProtective Devices and Circuits Power MIG TROUBLESHOOTING AND REPAIR SECTION How To Use Troubleshooting Guide Troubleshooting and Repair PC Board Troubleshooting Procedures Perform the Main Transformer Perform the Output Contactor Your body These capacitors is toxicAvoid contact with any portion Function Problems Wire Speed Potentiometer Test Welding Problems Weld bead is narrow or ropy Make sure the welding proce Materials Needed Main Transformer TestTest Description Main Transformer Test Test ProcedureON/OFF Power Switch will be hot during these tests X10 Input Voltage Test Points Table F.1. Test Points Wire Drive Motor and Wire Speed Potentiometer Test White Black VDC Test for Feedback Voltage to Control Board1109 a Power MIG Output Bridge Rectifier Test Output Bridge Rectifier Test Negative Lead Contactor Test Figure F.7. Contactor Terminals and Leads Contactor Test Typical Output Voltage Waveform Machine Loaded MAX TAP G Volts 10.0 Normal Open Circuit Voltage Waveform MAX TAP G Volts 20.0 Machine Loaded to 180 Amps AT 16 VDC Scope Settings Volts 20.0 Description Control Board Replacement Procedure Control Board Replacement Wire Drive Motor Assembly Replacement Wire Drive Motor Assembly Replacement Wire Drive Bolt Gas Hose TOC Output Diode Bridge Rectifier Replacement Output Diode Bridge Rectifier Mounting Bracket Mounting Bolts Rectifier Power MIG Output Capacitors Replacement Figure F.14. Capacitor Bank Location Output Capacitors Replacement Lead Mounting Bolts Nuts Lock washers 3 places Power MIG Main Transformer Replacement 41TROUBLESHOOTING and Repair F-41 See Figure F.17 Main Transformer Replacement Figure F.17. Leads X9, X10, 104B,104C, & H1B Replacement X2 X3 X4 X5 X6 X7 Lead Power MIG FAN BLADE/MOTOR Replacement Perform the Output Capacitor Bank Removal Procedure FAN BLADE/MOTOR Replacement Output Contactor Replacement Figure F.24 Output Contactor Replacement Mounting Bolts Retest After Repair Table of Contents Electrical Diagrams Section Electrical Diagrams POWEr miG Power MIG 215 208/220/230V Power MIG 215 208/220/230V for Codes 11099 L12308 SchEmaTic cOmplETE machiNE cODE 11247 l12308 pG1 SchEmaTic cOmplETE machiNE cODE 11247 l12308 pG2 ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS