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Lincoln Electric IM794 manual Worlds Leader in Welding and Cutting Products

Models: IM794

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• World's Leader in Welding and Cutting Products •

• Sales and Service through Subsidiaries and Distributors Worldwide •

Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

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Lincoln Electric IM794 manual Worlds Leader in Welding and Cutting Products

Contents

Safety Depends on You Sales and Service through Subsidiaries and Distributors WorldwideSP-170T IM794SAFETY FOR ENGINE powered equipmentELECTRIC AND MAGNETIC FIELDS may be dangerous CALIFORNIA PROPOSITION 65 WARNINGSELECTRIC SHOCK can kill ARC RAYS can burnFUMES AND GASES can be dangerous SAFETYFOR ELECTRICALLY powered equipment CYLINDER may explode if damagedWELDING SPARKS can cause fire or explosion SAFETYPRÉCAUTIONS DE SÛRETÉ SAFETYMar. ‘93 Thank You TABLE OF CONTENTS Section ASection B Section CINSTALLATION TECHNICAL SPECIFICATIONS - SP-170TINPUT - SINGLE PHASE ONLY PHYSICAL DIMENSIONSSAFETY PRECAUTIONS IDENTIFY AND LOCATE COMPONENTSINSTALLATION Read entire installation section before starting installationSELECT SUITABLE LOCATION OUTPUT CONNECTIONSINSTALLATION FIGURE A.3GUN INSTALLATION GAS CONNECTIONINSTALLATION FIGURE A.4INPUT CONNECTIONS INSTALLATIONKeep cylinder away from areas where it may be damaged Shut off shielding gas supply when not in useINSTALLATION Have qualified personnel do the maintenance and troubleshooting workELECTRIC SHOCK can kill Use only grounded receptacleSAFTEY PRECAUTIONS DESIGN FEATURES AND ADVANTAGESOPERATION GENERAL DESCRIPTIONCONTROLS AND SETTINGS WELDING CAPABILITYLIMITATIONS OFF ARC VOLTS WIRE SPEEDWELDING OPERATIONS Wire LoadingOPERATION FIGURE B.2Friction Brake Adjustments Wire ThreadingOPERATION FIGURE B.4Cleaning Tip And Nozzle OPERATIONFIGURE B.6 FIGURE B.7CHANGING MACHINE OVER TO FEED OTHER WIRE SIZES WELDING WITH GMAW MIGWELDING WITH FCAW Innershield OVERLOAD PROTECTIONAPPLICATION CHART SP-170TACCESSORIES 6. K586-1 Deluxe Adjustable Gas Regulator & Hose Kit1. K549-1 .035 0.9 mm Innershield Welding Kit 2. K549-2 .045 1.2 mm Innershield Welding KitACCESSORIES The factory installed gun liner will feed .025-.035 0.6-0.9mmComplete Gun and Cable Assembly K530-4 Contact Tip .025” 0.6 mm SP-170TMAINTENANCE MAINTENANCE SAFETY PRECAUTIONSROUTINE MAINTENANCE ELECTRIC SHOCK can killGUN AND CABLE MAINTENANCE CONFIGURATION OF COMPONENTS IN WIRE FEEDING SYSTEMMAINTENANCE Gun Cable CleaningCOMPONENT REPLACEMENT PROCEDURES MAINTENANCEFIGURE D.1 SP-170TMAINTENANCE ConnectorLiner Assembly Liner bushing to be sealed tight against brass cable connectorMAINTENANCE FIGURE D.3SP-170T Counter-clockwiseTROUBLESHOOTING HOW TO USE TROUBLESHOOTING GUIDEStep 1. LOCATE PROBLEM SYMPTOM Step 2. POSSIBLE CAUSEOUTPUT PROBLEMS TROUBLESHOOTINGObserve Safety Guidelines detailed in the beginning of this manual SP-170TFEEDING PROBLEMS GAS FLOW PROBLEMSTROUBLESHOOTING SP-170TWELDING PROBLEMS TROUBLESHOOTINGSP-170T WIRING DIAGRAMS SP-170T WIRING DIAGRAM Code10981SP-170T SP-170T PRECAUCION WARNUNGATENÇÃO AVISO DEWARNUNG ATENÇÃOPRECAUCION AVISO DESales and Service through Subsidiaries and Distributors Worldwide Worlds Leader in Welding and Cutting Products