Lincoln Electric K2950, K497 manual TROUbLESHOOTING

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TROUbLESHOOTING

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HOW TO USE TROUbLESHOOTING GUIDE

WARNING

Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel. Unauthorized repairs performed on this equipment may result in danger to the technician and machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical Shock, please observe all safety notes and precautions detailed throughout this manual.

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This Troubleshooting Guide is provided to help you locate and repair possible machine malfunctions. Simply follow the three-step procedure listed below.

Step 1. LOCATE PROBLEM (SYMPTOM).

Look under the column labeled “PROBLEM (SYMP- TOMS)”. This column describes possible symptoms that the machine may exhibit. Find the listing that best describes the symptom that the machine is exhibiting.

Step 2. POSSIBLE CAUSE.

The second column labeled “POSSIBLE CAUSE” lists the obvious external possibilities that may contribute to the machine symptom.

Step 3. RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause, generally it states to contact your local Lincoln Authorized Field Service Facility.

If you do not understand or are unable to perform the Recommended Course of Action safely, contact your local Lincoln Authorized Field Service Facility.

CAUTION

If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.

MAGNUM® & MAGNUM® PRO CURVE 200 GUNS

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Contents MAGNUM& Magnumpro Curve Safety Depends on YouCalifornia Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding and Cutting Sparks can Cause fire or explosionIvSAFETY Thank You TAbLE of Contents K446-4 Installation For Hobart Feeders InstallationK446-3 Installation For Miller Feeders Figure A.1 Magnum & Magnum PRO Curve 200 Guns Liner InstallationConnection to Lincoln Feeders LationConnection to Feeder Connection to Hobart Feeders Connection to Miller FeedersOperation Magnum PRO Curve Avoiding Wire Feeding PRObLEMSLiner Removal and Replacement MaintenanceExcessive pressure at the start may cause the dirt To form a plugFigure D.2 Figure D.4 Wire Feeder End Repair Requires 2 S19492-1 TerminalsTROUbLESHOOTING Cause Recommended Course of Action SymptomsPrecaucion Warnung