Lincoln Electric SVM166-A service manual LN-15

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			B-12

LN-15

NOTES

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Contents LN-15 Wire Feeder Safety Electric Shock can kill Safety Welding Sparks can cause fire or explosionPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcMaster Table of Contents for ALL Sections Table of Contents Installation SectionInstallation Technical Specifications LN-15 K1870-1, K1870-2 CEWork Clip Lead Safety PrecautionsLocation High Frequency ProtectionWeld Cable Connections Engine Drive Power SourcePower Source Connection ConnectionFigure A.1 Connections GUN and Cable AssembliesElectrode Polarity Feeding Wire Electrode LN-15 Operation Section Section BSafety Precautions OperationGeneral Description 83% Procedure Across the ARC ModelNormal POWER-UP Display WFS Wire Drive Configuration Cold FEED/GAS Purge SwitchSpindle Brake Step Trigger Interlock SwitchFlow Meter Shielding GAS ConnectionConstant Current Operation Figure B.3Figure B.4 CC Wire Speed Setting OPERATIONB-11 Making a WeldLN-15 Accessories Section Optional Equipment AccessoriesFactory Installed Equipment Maintenance Section Section DPeriodic Maintenance MAINTENANCED-2Routine Maintenance Calibration SpecificationMaintenance Figure D.1 Major Component LocationsLN-15 Theory of Operation Section Section ETheory of Operation Return to SectionTrigger and Control Circuits Wire Feed Speed Control Display Board LN-15 Troubleshooting & Repair Section Section FTroubleshooting & Repair HOW to USE Troubleshooting GuidePC Board Troubleshooting Procedures WorkstationsFeeding Problems Troubleshooting & Repair Feeding Problems Perform the Wire Drive Motor Welding Problems Description Resolution Definition LN-15 Boost Power Board Test Test DescriptionTest Procedure J47 LN-15 Troubleshooting and Repair GAS Solenoid Valve TestTest Procedure GAS SolenoidContactor Test Large Terminal Studs Drive Motor Test Leads 550 Hall Effect Module Test Blue Red 562 Contactor Removal and Replacement Procedure Contactor Removal and Replacement Procedure Removal ProcedureReplacement Procedure LN-15 Feed Head Control Board Removal and Replacement Procedure Removal and Replacement Procedure Feed Head Control BoardMounting Nuts J81 J88 J82 J83 J84 J85J86 LN-15 Boost Power Supply Board Removal and Replacement Procedure Boost Power Supply Board Figure F.11 Boost Power Board LocationFigure F.12 Boost Power Board PLUG/MOUNT Location LN-15 Wire Drive Assembly Removal and Replacement Procedure Wire Drive Assembly Mounting ScrewsCover and Spindle Mount Removal and Replacement Procedure Cover and Spindle Mount Figure F.14 Cover and Spindle Mount LocationBolt LN-15 Roll Cage Removal and Replacement Procedure Bolt Bolts Roll CageRetest After Repair LN-15 Electrical Diagrams Section Electrical Diagrams Wiring Diagram Entire Machine L11436-1Schematic Entire Machine G4198-1 G4198Schematic Boost PC Board L11818-2 PC Board Assembly Boost M19753-2 To SectionSchematic Feedhead P.C. Board G3883-1E0/1 Schematic Feedhead P.C. Board G3883-1E0/2 PC Board Assembly Feedhead G3884-1 Schematic SPI Display P.C. Board L11756-1E1 PC Board Assembly SPI Display P.C. Board L11757-1 SVM Error Reporting Form