Power Feed 25M | Lincoln Electric SVM185-A instruction

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RETURN TO MAIN MENU	SVM185-A

July, 2008

POWER FEED® 25M

For use with machine code numbers 11313

Safety Depends on You

Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation

. . . and thoughtful operation on

your part. DO NOT INSTALL,

OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READ- ING THIS MANUAL AND THE SAFETY PRECAUTIONS CON- TAINED THROUGHOUT. And, most importantly, think before you act and be careful.

SERVICE MANUAL

Copyright © Lincoln Global Inc.

• World's Leader in Welding and Cutting Products •

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 888.935.3877 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

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Lincoln Electric SVM185-A service manual Power Feed 25M

Contents

Power Feed 25M Power Feed 25M Safety Fumes and Gases Electric Shock can kill Iii For Electrically Sûreté Pour Soudage a L’Arc Précautions DE Sûreté Electromagnetic Compatibility EMC Safety Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Power Feed 25M K2536-1 Installation Location Safety Precautions High Frequency ProtectionElectric Shock can Kill Wiring Power Source Wire FeederDigital Control CABLE, K1543-XX Function Coaxial Weld Cable Weld Cable SizeTable A.1 Gmaw Electrode Polarity Shielding GAS ConnectionGtaw Build UP of Shielding GAS MAY OFF Changing the Drive Motor Gear Ratio Procedure to Install Drive Rolls and Wire Guides Wire Drive Configuration Loading Spools of Wire Remote Sense Lead Specifications Typical System Configurations Table of Contents Operation Section Operation Safety Precautions Definition of Welding Terms General DescriptionDuty Cycle Recommended Processes Recommended Power SourcesEquipment Limitations 11. ON/OFF switch Connector for a remote controlPin connector Left Display window Status LED ON-OFF SwitchTable B.1 Definition 7OPERATIONB-7 Technology Power SourcesMaking a Weld with Waveform Smaw Stick Welding 8OPERATIONB-8 Process ModeSmaw Stick Welding Display MSP4 Operation Welding NON-SYNERGIC Gmaw and FcawThree non-synergic welding modes are available Non-Synergic Gmaw and Fcaw Welding Display Modes 5 MSP4 Operation Figure B.5 Gmaw MIG Synergic Welding 220 26.4 ARC Control Steel and Stainless Synergic GMAW-P Pulsed MIG Welding Stainless Steel Gmaw Migwelding 220 Aluminum Synergic GMAW-P Pulsed 16OPERATIONB-16Migand GMAW-PP Pulse on Pulse Pulse-on-Pulse Welding Aluminum Pulse Welding Aluminum GMAW-P and GMAW-PP Figure B.14 Aluminum GMAW-P and GMAW-PP Welding Aluminum Pulse and Pulse-On-Pulse Synergic Weld Display Figure B.15 GMAW-STT Welding GMAW-STT 109 Figure B.16 Tailout Touch Start Gtaw TIG WeldingTIG OFF Power Feed SET-UP Features Menu10M All Models Feed 10A Quick Preflow time will not be accessible from the MSP4 Operation PROCEDURE/MEMORY Panel Opera User Memories Tion Parameter Range Units LimitsMSP4 Display Limits may be set for Low Limit High LimitParameter Name Item D Escription Internal Controls Light Switch Cold FEED/GAS Purge SwitchHeater Switch Step Trigger Operation Preflow 34OPERATIONStrike Weld Figure B.20 Figure B.21 Upslope Postflow 37OPERATIONB-37 Figure B.23 Start Rear Controls Description Flow Meter Operation on Lincnet Power SourcesScfh Liter/Min Table of Contents Accessories Section Factory Installed Equipment AccessoriesWire Type Electrode Size KP KIT Drive Roll Kits Used K2593-xx #1 Co-Axial Power Cable Accessories K1500-5 Gun Receiver Bushing compatible Cooling KIT InstallationUse a 5/16 nut driver to remove the screws holding Water cooling cover on the case front of the inner Figure C.1 Python Water Cooled Guns Power Feed 25M Table of Contents Maintenance Section Routine Maintenance MaintenancePeriodic Maintenance Calibration Specification 1TABLE of CONTENTS-THEORY of Operation Section E-1 Figure E.2 General Physical Description Theory of Operation Figure E.3 GAS Solenoid Controls Power Feed 25M Control BOX User Interface Component is causing the problem. By using the status TroubleshootingComponent Status Lights Status Light States Status Light States CON’T 1TABLE of Contents Troubleshooting and Repair F-1 HOW to USE Troubleshooting Guide 2TROUBLESHOOTING and REPAIRF-2 PC Board Troubleshooting Procedures Troubleshooting and Repair See Setting DIP Switches Wire Drive Troubleshooting and Repair Output Problems Power Power source is functioning Make certain the Power Wave Setting Dip Switches in the Wire Troubleshooting and Repair Fault Code Description Possible Adjustments ArcLink System Error Codes Power Feed 25M Test Description Voltage Sense PC Board TestMaterials Needed Figure F.1 Plug J1 and J2 Locations Procedure Tach Feedback Test Blue RED Drive Motor Test #550 #551 Gear BOX and Drive Motor Removal and Replacement Procedure Gear BOX Removal and Drive Motor Figure F.4 Gear BOX and Drive Motor Removal and Replacement Replacement Procedures To Remove the Wire Drive Assembly from the Gear BOXTo Remove the Drive Motor from the Gear BOX Retest After Repair SET UP Table of Contents Diagram Section Wiring Diagram Complete Machine Code 11313 G5585 Electrical Diagrams G5638 Schematic Complete Machine Code 11313 G5638 Schematic 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