Lincoln Electric IM724 manual HOW to USE Troubleshooting Guide

Page 38

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.

__________________________________________________________________________

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-135T

Image 38

Contents SP-135T Safety California Proposition 65 WarningsElectric Shock can kill Welding Sparks can cause fire or explosion IiiPrécautions DE Sûreté Sûreté Pour Soudage a L’ArcThank You Please Examine Carton and Equipment For Damage ImmediatelyMaster Table of Contents for ALL Sections Installation Technical Specifications SP-135TElectric Shock can kill Safety PrecautionsIdentify and Locate Components Output Connections Work Clamp InstallationSelect Suitable Location StackingConnecting Gun Cable to the SP-135T GUN InstallationWork Cable Installation GAS ConnectionFigure A.5 Requirements For Rated Output Input ConnectionsCode Requirements for Input Connections General Description Design FeaturesOperation Recommended ProcessesLimitations Controls and SettingsWelding Capability Sequence of Operation Wire LoadingWelding Operations Friction Brake Adjustment Wire ThreadingMaking a Weld Cleaning Tip And NozzleProcess Guidelines Overload Protection Changing Machine Over to Feed Other Wire SizesWelding with Gmaw MIG ARC-WELDING Circuit Learning to WeldLearning to Weld SELF-SHIELDED Fcaw Welding ARCGmaw MIG Welding ARC Process SelectionFor Gmaw MIG Process Common MetalsJoint Types and Positions For Fcaw Innershield ProcessFillet Welds Welding In The Vertical PositionPenetration Vertical-down Welding Machine SET UP for the SELF-SHIELDED Fcaw ProcessWelding Techniques for the SELF- Shielded Fcaw Process Correct Welding PositionCorrect Electrical Stickout ESO Correct Welding SpeedHelpful Hints PracticeMachine SET UP for the Gmaw MIG Process Welding Techniques for the Gmaw MIG ProcessFor the SP-135T, use the following To Correct Poor Penetration in order of impor- tance Troubleshooting WeldsTo Eliminate a Ropy Convex Bead in order of importance To Eliminate Stubbing* in order of importanceProper Gun Handling Application Chart K586-1 Deluxe Adjustable Gas Regulator Hose Kit AccessoriesOptional Accessories K549-1 .035 0.9 mm Innershield Welding KitInnershield Fcaw Replacement Parts Conversion Routine Maintenance MaintenanceMaintenance Safety Precautions For Magnum 100L GUN GUN and Cable MaintenanceConfiguration of Components in Wire Feeding System Contact Tip Cable Liner Drive RollChanging Drive Roll Component Replacement ProceduresChanging the Contact TIP Liner trim length Changing LinerGUN Handle Parts Troubleshooting HOW to USE Troubleshooting GuideProblems Possible Areas Symptoms Misadjustments Recommended Course of ActionContact your local Lincoln Authorized Field Service FacilityWelding Problems Diagrams SP-135T Wiring DiagramSP-135T Precaucion