Lincoln Electric 350, 550 manual HOW to USE Troubleshooting Guide

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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™ PRO 350 and 550 FUME GUNS

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Contents IM990 Safety California Proposition 65 WarningsElectric Shock can kill Welding and Cutting Sparks can Cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a LʼArcThank You Table of Contents Technical Specifications Magnum PRO Fume Guns InstallationMagnum PRO 350 and 550 Fume Guns Feeder END Figure A.2, Items 1 thru Unpacking the Fume GUNFeeder END Figure A.4, Items 1 thru Prepare the Welding Machine and Wire Feeder as follows Safety PrecautionsCompatibility of Welding Machines and Wire Feeders Preparing the Fume GUN for WeldingSelect and Install a Wire Feeder Connection K KIT Kit No. for Gun ModelWire Diameter 350 amp 550 amp Select and Install GUN Consumable PartsKP Nos. for Gun Model Removing the Fume Tube Assembly See figure A.7 Connect the GUN to the Wire FeederConnect the GUN to the Fume Collection System Operation Product DescriptionSelecting or Changing Trigger Position See Figure B.1Prepare the Fume GUN for Load Specified Wire Into the GUNWelding Also See Installation Section Make the WeldAccessories Accessories or OptionsGAS Diffuser Replacement MaintenanceRoutine Cleaning Inspections Liner Assembly Cleaning or ReplacementTrigger and Accessory Switch Lead Routings Gun Handle, See Figure D.1GUN Cable Assembly Replacement GUN Tube ReplacementTrigger Assembly Replacement Assembly Cleaning or ReplacementMaintenance Troubleshooting HOW to USE Troubleshooting GuideProblems Path Unkinked wire emerges Poor fume extraction Possible Areas Recommended Symptoms Possible Recommended Symptoms Cause Course of Action Magnum PRO 350 and 550 Fume Guns Magnum PRO 350 and 550 Fume Guns Precaucion Aviso DE
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