Lincoln Electric SVM185-A service manual PC Board Assembly Spool GUN M20159

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POWER FEED® 25M

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G-12	ELECTRICAL DIAGRAMS	G-12
PC BOARD ASSEMBLY - SPOOL GUN (M20159)

NOTE: Lincoln Electric assumes no responsibility for liablilities resulting from board level troubleshooting. PC Board repairs will invalidate your factory warranty. Individual Printed Circuit Board Components are not available from Lincoln Electric. This information is pro- vided for reference only. Lincoln Electric discourages board level troubleshooting and repair since it may compromise the quality of the design and may result in danger to the Machine Operator or Technician. Improper PC board repairs could result in damage to the machine.

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Contents Power Feed 25M Safety Power Feed 25MElectric Shock can kill Fumes and GasesFor Electrically IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcElectromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Installation Technical Specifications Power Feed 25M K2536-1Safety Precautions High Frequency Protection LocationElectric Shock can Kill Power Source Wire Feeder WiringDigital Control CABLE, K1543-XX FunctionWeld Cable Size Coaxial Weld CableTable A.1 Electrode Polarity Shielding GAS Connection GmawGtaw Build UP of Shielding GAS MAYChanging the Drive Motor Gear Ratio OFFWire Drive Configuration Procedure to Install Drive Rolls and Wire GuidesRemote Sense Lead Specifications Loading Spools of WireTypical System Configurations Table of Contents Operation Section Safety Precautions OperationGeneral Description Definition of Welding TermsDuty Cycle Recommended Power Sources Recommended ProcessesEquipment Limitations Connector for a remote control 11. ON/OFF switchPin connector Left Display windowON-OFF Switch Status LEDTable B.1 DefinitionTechnology Power Sources 7OPERATIONB-7Making a Weld with Waveform Smaw Stick WeldingProcess Mode 8OPERATIONB-8Smaw Stick Welding Display MSP4 OperationNON-SYNERGIC Gmaw and Fcaw WeldingThree non-synergic welding modes are available MSP4 Operation Non-Synergic Gmaw and Fcaw Welding Display Modes 5Gmaw MIG Synergic Welding Figure B.5220 26.4 Steel and Stainless Synergic GMAW-P Pulsed MIG Welding ARC ControlStainless Steel Gmaw Migwelding 220 16OPERATIONB-16 Aluminum Synergic GMAW-P PulsedMigand GMAW-PP Pulse on Pulse Pulse-on-Pulse WeldingAluminum GMAW-P and GMAW-PP Aluminum Pulse WeldingAluminum GMAW-P and GMAW-PP Welding Figure B.14Aluminum Pulse and Pulse-On-Pulse Synergic Weld Display GMAW-STT Welding Figure B.15109 GMAW-STTTailout Figure B.16Gtaw TIG Welding Touch StartTIG OFF SET-UP Features Menu Power Feed10M All Models Feed 10AQuick Preflow time will not be accessible from the MSP4 Operation PROCEDURE/MEMORY Panel Opera User Memories Tion Limits Parameter Range UnitsMSP4 Display Limits may be set forHigh Limit Low LimitParameter Name Internal Controls Item D EscriptionCold FEED/GAS Purge Switch Light SwitchHeater Switch Step Trigger Operation34OPERATION PreflowStrike WeldFigure B.20 Upslope Figure B.2137OPERATIONB-37 PostflowStart Figure B.23Description Rear ControlsOperation on Lincnet Power Sources Flow MeterScfh Liter/MinTable of Contents Accessories Section Accessories Factory Installed EquipmentWire Type Electrode Size KP KIT Drive Roll Kits UsedK2593-xx #1 Co-Axial Power Cable Accessories K1500-5 Gun Receiver Bushing compatible Installation Cooling KITUse a 5/16 nut driver to remove the screws holding Water cooling cover on the case front of the innerPython Water Cooled Guns Figure C.1Power Feed 25M Table of Contents Maintenance Section Maintenance Routine MaintenancePeriodic Maintenance Calibration Specification1TABLE of CONTENTS-THEORY of Operation Section E-1 Theory of Operation Figure E.2 General Physical DescriptionPower Feed 25M Figure E.3 GAS Solenoid ControlsControl BOX User Interface Troubleshooting Component is causing the problem. By using the statusComponent Status Lights Status Light StatesStatus Light States CON’T 1TABLE of Contents Troubleshooting and Repair F-1 2TROUBLESHOOTING and REPAIRF-2 HOW to USE Troubleshooting GuideTroubleshooting and Repair PC Board Troubleshooting ProceduresSee Setting DIP Switches Wire Drive Troubleshooting and Repair Output Problems Power Make certain the Power Wave Power source is functioningSetting Dip Switches in the Wire Troubleshooting and Repair ArcLink System Error Codes Fault Code Description Possible AdjustmentsPower Feed 25M Voltage Sense PC Board Test Test DescriptionMaterials Needed Procedure Figure F.1 Plug J1 and J2 LocationsTach Feedback Test Blue RED Drive Motor Test #550 #551 Gear BOX and Drive Motor Removal and Replacement Procedure Figure F.4 Gear BOX and Drive Motor Removal and Replacement Gear BOX Removal and Drive MotorTo Remove the Wire Drive Assembly from the Gear BOX Replacement ProceduresTo Remove the Drive Motor from the Gear BOX SET UP Retest After RepairTable of Contents Diagram Section Electrical Diagrams Wiring Diagram Complete Machine Code 11313 G5585Schematic Complete Machine Code 11313 G5638 G5638Schematic 42 VAC & Arclink Feeder PC Board #1 G3883-2 Schematic 42 VAC & Arclink Feeder PC Board #2 G3883-2 Schematic MSP4 Optional Display PC Board G4456 Schematic SPI Display PC Board L11756 PC Board Assembly SPI Display L11757-1 Schematic Voltage Sense Select PC Board S24779 PC Board Assembly Voltage Sense Select M19540 Schematic Spool GUN PC Board L12008 PC Board Assembly Spool GUN M20159

ELECTRICAL DIAGRAMS

PC BOARD ASSEMBLY - SPOOL GUN (M20159)