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

Page 89

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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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Contents Safety Depends on You Power MIGCalifornia Proposition 65 Warnings SafetyCan be dangerous Electric Shock can kill ARC Rays can burnIii Welding and Cutting Sparks can cause fire or explosionCylinder may explode if damaged Sûreté Pour Soudage a L’Arc Précautions DE SûretéMaster Table of Contents for ALL Sections Installation SECTION Table of ContentsTechnical Specifications Power MIG InstallationUncrating the Power MIG Safety PrecautionsInstallation LocationOutput Polarity Connections AUXILIARY POWER RECEPTACLES GUN and Cable InstallationShielding GAS Cylinder may explode if damagedPower MIG Operation SECTION Wear eye, ear and body protec- tion OPERATIONB-2Operation 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 WeldWire Feed Overload Protection Avoiding Wire Feeding ProblemsFAN Control Input Line Voltage VariationsPower MIG Accessories SECTION Accessories Installed 3ACCESSORIESC-3Making a Weld with the Spool GUN Adapter KIT and Spool GUNPower MIG Maintenance SECTION Maintenance Table D.1 Liner Removal and Replace MentEnglish Metric Description Size GUN Handle DisassemblyFigure D.2 Major Component Locations Power MIG Theory of Operation SECTION Line SwitchTheory of Operation Figure E.2 Input Power CircuitFigure E.3 Control Circuits Output Rectification Contactor and Control BoardFigure E.4 Optional Circuits Control BOARD, GUN Trigger and Wire Drive MotorThermal and Overload Protection Wirefeed Overload ProtectionProtective Devices and Circuits Power MIG TROUBLESHOOTING AND REPAIR SECTION How To Use Troubleshooting Guide Troubleshooting and RepairPC 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 PointsWire Drive Motor and Wire Speed Potentiometer Test White BlackVDC Test for Feedback Voltage to Control Board1109 a Power MIG Output Bridge Rectifier Test Output Bridge Rectifier Test Negative LeadContactor Test Figure F.7. Contactor Terminals and Leads Contactor TestTypical Output Voltage Waveform Machine Loaded MAX TAP G Volts 10.0Normal Open Circuit Voltage Waveform MAX TAP G Volts 20.0Machine Loaded to 180 Amps AT 16 VDC Scope Settings Volts 20.0 Description Control Board ReplacementProcedure Control Board ReplacementWire Drive Motor Assembly Replacement Wire Drive Motor Assembly Replacement Wire DriveBolt 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 ReplacementLead Mounting Bolts Nuts Lock washers 3 places Power MIG Main Transformer Replacement 41TROUBLESHOOTING and Repair F-41See Figure F.17 Main Transformer ReplacementFigure F.17. Leads X9, X10, 104B,104C, & H1B ReplacementX2 X3 X4 X5 X6 X7 Lead Power MIG FAN BLADE/MOTOR Replacement Perform the Output Capacitor Bank Removal Procedure FAN BLADE/MOTOR ReplacementOutput Contactor Replacement Figure F.24 Output Contactor ReplacementMounting Bolts Retest After Repair Table of Contents Electrical Diagrams Section Electrical DiagramsPOWEr miG Power MIG 215 208/220/230VPower MIG 215 208/220/230V for Codes 11099 L12308 SchEmaTic cOmplETE machiNE cODE 11247 l12308 pG1SchEmaTic cOmplETE machiNE cODE 11247 l12308 pG2 ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS ElEcTrical DiaGramS