Lincoln Electric IM790 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 AUTHORIZED LINCOLN ELECTRIC FIELD SERVICE FACILITY for assistance before you proceed.

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CAUTION

If machine case sides and top are removed, the case front must be supported.

Failure to do this could result in mechanical or electrical damage to the SP-175 Plus.

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SP-175 PLUS

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Contents SP-175 Plus California Proposition 65 Warnings SafetyElectric Shock can kill Iii Welding Sparks can cause fire or explosionSûreté Pour Soudage a L’Arc Précautions DE SûretéOn-Line Product Registration Please Examine Carton and Equipment For Damage ImmediatelyTable of Contents Installation Electric Shock can kill Safety PrecautionsIdentify and Locate Components Work Cable Installation Work Clamp InstallationSelect Suitable Location StackingGAS Connection GUN InstallationConnecting Gun Cable to the SP-175 Plus Input Connections Gas Solenoid Inlet Fitting Power Input CableVolt Input Connection Line Cord ConnectionElectrical Input Connection for Rated Output Operation Observe all safety information throughout this manualFumes and Gases can be dangerous Welding Sparks can cause fire or explosionDesign Features Advantages Controls and SettingsGeneral Description Welding CapabilitySequence of Operation Wire LoadingWelding Operations Wire Threading Friction Brake AdjustmentsMaking a Weld Shielding GasProcess Guidelines Changing Machine Over to Feed Other Wire SizesCleaning Tip And Nozzle Overload Protection Wire Feed Overload ProtectionOutput Overload Thermal ProtectionApplication Chart K586-1 Deluxe Adjustable Gas Regulator & Hose Kit AccessoriesOptional Accessories Innershield Fcaw Conversion Replacement PartsMaintenance Safety Precautions MaintenanceItems Requiring no Maintenance Routine and Periodic MAINTE- NanceConfiguration of Components in Wire Feeding System GUN and Cable MaintenanceFor Magnum 100L GUN Contact Tip Cable Liner Drive RollRoll onto the drive shaft SP-175 Plus Changing the Contact TIPChanging Drive Roll Liner trim length Changing LinerFigure D.3 SP-175 Plus GUN Handle PartsHOW to USE Troubleshooting Guide TroubleshootingRecommended Course of Action Problems Possible Symptoms CauseGAS Flow Problems Welding Problems Wiring Diagrams Page Precaucion Warnung
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