Lincoln Electric 11521 service manual Power MIG 215XT

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SVM209-A

April, 2011

POWER MIG® 215XT

For use with machine code number: 11521

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: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

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Contents Power MIG 215XT Power MIG 215XT SafetyElectric Shock can kill ARC Rays can burn For Electrically Welding CuttingIii Sûreté Pour Soudage a L’Arc Précautions DE SûretéSafety Methods of Reducing Emissions Mains Supply Master Table of Contents for ALL Sections Table of Contents Installation Section Technical Specifications Power MIG 215XT InstallationUncrating the Power MIG 215XT Safety PrecautionsInput POWER, Grounding and Connection Diagrams LocationOutput Polarity Connections AUXILIARY POWER RECEPTACLES GUN and Cable InstallationShielding GAS Cylinder may explode if damagedPower MIG 215XT Table of Contents Operation Section Wear eye, ear and body protec- tion OPERATIONB-2Operation Wire Size Conversion Parts Wire Drive RollProcedure for Changing Drive AND IDLE Roll Sets Wire Reel Loading READI-REELS, Spools or CoilsWhen triggering, the electrode Feeding Wire ElectrodeTo Start the Welder Changing the Gun Receiver Bushing Electric Shock can killReturn to Return to Section TOC Making a WeldWire Feed Overload Protection Avoiding Wire Feeding ProblemsFAN Control Input Line Voltage VariationsPower MIG 215XT Table of Contents Accessories Section Accessories Make a Weld with the Magnum 250LX PUSH-PULL GUN Magnum 250LX PUSH-PULL GUN and Push Pull AdapterMagnum 250LX Push Pull Gun K2704-1 Magnum 250LX Push Pull Adapter K2705-1Accessories Table of Contents Maintenance Section Maintenance Table D.1 Liner Removal and REPLACE- MentEnglish Metric Description Size GUN Handle DisassemblyFigure D.2 Major Component Locations Power MIG 215XT 1TABLE of CONTENTS-THEORY of Operation Section E-1 Theory of Operation Figure E.2 Input Power CircuitOutput RECTIFICATION, Contactor Control Board Figure E.2 Optional Circuits Protective Devices and Circuits Power MIG 215XT 1TABLE of Contents Troubleshooting and Repair F-1 HOW to USE Troubleshooting Guide Troubleshooting and RepairPC Board Troubleshooting Procedures Perform the Main Transformer Perform the Output Contactor Avoid contact with any portion These capacitors is toxicYour body Function Problems Tachometer Feedback Test Body Welding ProblemsMake certain the shielding gas is Test Description Main Transformer TestX4 X5 ON/OFF Power Switch will be hot during these testsX10 Main Transformer Test Wire Drive Motor and Tachometer Feedback Test J11 Wire Drive Motor and Tachometer Feedback Test J11 Output Bridge Rectifier Test Negative Lead Contactor Test Contactor Test Machine Loaded to 200 Amps AT 22 VDC Typical Output Voltage Waveform Machine Loaded MAX TAP GNormal Open Circuit Voltage Waveform MAX TAP G Machine Loaded to 180 Amps AT 16 VDC Troubleshooting and Repair Control Board Removal and Replacement Procedure Depress Locking TAB on Mounting PIN Wire Drive Motor Removal and Replacement Procedure Wire Drive Bolt Gas Hose TOC Test Description Output Diode Bridge Rectifier Output Diode Bridge RectifierMounting Bracket Mounting Bolts Rectifier Power MIG 215XT Output Capacitors Removal and Replacement Procedure Lower Right Case Wraparound Cover Capacitor Bank Assembly Lead Mounting Bolts Nuts & Lock washers Places Power MIG 215XT Main Transformer Removal and Replacement Procedure Main Transformer Mounting Bolts Replacement X4 X5 Lead Power MIG 215XT FAN Blade / Motor Removal and Replacement Procedure Rear Output Contactor Removal and Replacement Procedure Output Contactor Mounting Bolts Retest After Repair Table of Contents Diagram Section POWEr miG 215XT Power MIG 215XT 208/220/230V for CodeSchEmaTic cOmplETE machiNE l12308-1 pG1 SchEmaTic cOmplETE machiNE l12308-1 pG2 Psoc 1pF Calibrate