Lincoln Electric UWW-170 manual HOW to USE Troubleshooting Guide

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	E-1		TROUBLESHOOTING		E-1

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.

SP 170-I

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Contents SP 170-I and UWW-170 California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéPlease Examine Carton and Equipment For Damage Immediately Thank YouTable of Contents Installation Electric Shock can kill 2INSTALLATIONA-2Safety Precautions Identify and Locate ComponentsStacking Select Suitable LocationLimitations Output ConnectionsGAS Connection GUN InstallationWork Cable Installation Connecting Gun Cable to the SPInput Connections Power Input Cable230 50/60 Line Cord ConnectionGeneral Description Design Features AdvantagesOperational Features and Controls OperationWelding Capability Controls and SettingsSequence of Operation Wire LoadingFriction Brake Adjustment Welding OperationsFigure B.4 Cleaning Tip And Nozzle Process GuidelinesMaking a Weld Changing Machine Over to Feed Other Wire Sizes Welding with Gmaw MIGOverload Protection SELF-SHIELDED Fcaw Welding ARC Learning to WeldLearning to Weld ARC-WELDING CircuitGmaw MIG Welding ARC Process SelectionFor Gmaw MIG Process Butt Welds Common MetalsJoint Types and Positions For Fcaw Innershield ProcessWelding In The Vertical Position PenetrationFillet Welds Correct Welding Position Machine SET UP for the SELF-SHIELDED Fcaw ProcessWelding Techniques for the SELF- Shielded Fcaw Process Vertical-down WeldingCorrect Welding Speed Correct Electrical Stickout ESOPractice Helpful HintsWelding Techniques for the Gmaw MIG Process Machine SET UP for the Gmaw MIG ProcessFor the SP 170-I, use the following To Eliminate Stubbing* in order of importance Troubleshooting WeldsTo Eliminate a Ropy Convex Bead in order of importance To Correct Poor Penetration in order of impor- tanceProper Gun Handling Application Chart Output PolarityDrive Roll Orientation K491 .045 1.2 mm Innershield Welding Kit AccessoriesOptional Accessories K464 .035 0.9 mm Innershield Welding KitInnershield Fcaw Conversion Replacement PartsMaintenance Maintenance Safety PrecautionsRoutine Maintenance Contact Tip Cable Liner Drive Roll GUN and Cable MaintenanceConfiguration of Components in Wire Feeding System Gun Cable CleaningComponent Replacement Procedures Changing Drive Roll SP 170-I onlyChanging Drive Roll UWW-170 only Fully seat the liner bushing into the con Changing LinerGUN Handle Parts red trigger GUN Handle Parts black triggerHOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Areas Symptoms MisadjustmentsGAS Flow Problems Welding Problems Wiring WiringPage $700.00 How To Read Shop DrawingsNew Lessons in Arc Welding Need Welding Training?Precaucion Warnung