Lincoln-electric IM726 SP-175T Manuel d'utilisateur

SP-175TOPERATOR’S MANUALIM726-AMay, 2002Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. Howeve

A-3A-3INSTALLATIONSELECT SUITABLE LOCATIONLocate the welder in a dry location where there is freecirculation of clean air into the louvers in the back

A-4A-4INSTALLATIONWork Cable InstallationRefer to Figure A.2.1. Open the wire feed section door on the right side ofthe SP-175T.2. Pass the end of the

A-5A-5INSTALLATION2. With the cylinder securely installed, remove thecylinder cap. Stand to one side away from the out-let and open the cylinder valve

A-6A-6INSTALLATIONELECTRICAL INPUT CONNECTION FORRATED OUTPUTELECTRIC SHOCK can kill.• Disconnect input power byremoving plug from receptaclebefore wo

B-1B-1OPERATIONRead entire operation section beforeoperating the SP-175T.ELECTRIC SHOCK can kill.• Do not touch electrically liveparts or electrode wi

B-2B-2OPERATION● No external shielding gas is required when usedwith Lincoln Innershield .035” (0,9 mm) NR®-211-MP electrode.● Spindle accommodates bo

B-3B-3OPERATIONFIGURE B.1aFIGURE B.1bWELDING OPERATIONSSEQUENCE OF OPERATION Wire LoadingRefer to Figure B.2 and B.3.The machine power switch should b

B-4 B-4OPERATIONFriction Brake AdjustmentWith wire spool installed on the spindle shaft and thewing nut loose, turn the spool by hand while slowlytigh

B-5B-5OPERATIONMaking A Weld1. See “Process Guidelines” in this section for selec-tion of welding wire and shielding gas and forrange of metal thickne

B-6SP-175TB-6OPERATIONThe SP-175T is suitable for .035" aluminum wire and.023"– .035" stainless wire. Refer to Table B.1 for rec-ommen

FOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to be running.

Fumes and slag generated fromInnershield type electrodes recom-mended for use with this weldingmachine can be toxic.• Avoid contact with eyes and skin

SP-175TB-8 B-8LEARNING TO WELDThe “arc stream” is seen in the middle of the picture.This is the electric arc created by the electric currentflowing th

SP-175TB-9B-9LEARNING TO WELDFor GMAW (MIG) Process1. Is most of my welding performed on 16 gauge andlighter materials?2. Can I afford the extra expen

B-10B-10LEARNING TO WELDFIGURE B.12PenetrationUnless a weld penetrates close to 100% of the metalthickness, a butt weld will be weaker than the materi

B-11 B-11 LEARNING TO WELDFIGURE B.16Vertical-down WeldingRefer to Figure B.17 Vertical-down welds are appliedat a fast pace. These welds are therefor

B-12 B-12LEARNING TO WELDARC RAYS can burn eyes and skin.When using an open arc process, itIs necessary to use correct eye,head and body protection.Pr

B-13B-13LEARNING TO WELDMild Steel 16 gauge or 1/16 inch(1.6 mm)Electrode 0.035" (0.9 mm)NR-211-MPInnershield WireVoltage Setting “V” AWire Feed

B-14B-14LEARNING TO WELDMACHINE SET UP FOR THE GMAW (MIG)PROCESS1. See PROCESS GUIDELINES in the OPERATIONsection for selection of welding wire and sh

Helpful Hints1. For general welding, it is not necessary to weavethe arc, neither forward or backward nor sideways.Weld along at a steady pace. You wi

B-16 B-16LEARNING TO WELD4. After you strike the arc, practice the correct electri-cal stickout. Learn to distinguish it by its sound.5. When you are

iiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the arc when weld

B-17B-17LEARNING TO WELDProper Gun HandlingMost feeding problems are caused by improper han-dling of the gun cable or electrodes.1. Do not kink or pul

B-18B-18APPLICATION CHARTSP-175T

C-1C-1ACCESSORIESOPTIONAL ACCESSORIES1. K549-1 .035" (0.9 mm) Innershield® Welding Kit— Includes a contact tip, a gasless nozzle and a.035/.045&q

C-2C-2ACCESSORIESINNERSHIELD (FCAW) CONVERSIONSeveral changes are needed to convert the unit foroperation with the Innershield (FCAW) process. TheK549

D-1D-1MAINTENANCESP-175TMAINTENANCESAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Disconnect input power byremoving plug from receptaclebefore working in

D-2D-2MAINTENANCEGUN AND CABLE MAINTENANCEFOR MAGNUM™ 100L GUNGun Cable CleaningClean cable liner after using approximately 300 lbs(136 kg) of solid w

D-3D-3MAINTENANCECOMPONENTREPLACEMENTPROCEDURESCHANGING THE CONTACT TIP1. Refer to Figure D.2. Remove the gas nozzle fromthe gun by unscrewing counter

D-4 D-4MAINTENANCE8. Screw the gas diffuser onto the end of the gun tubeand securely tighten.9. Replace the contact tip and nozzle.GUN HANDLE PARTSThe

E-1TROUBLESHOOTINGE-1SP-175TIf for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact you

E-2 E-2TROUBLESHOOTINGObserve Safety Guidelinesdetailed in the beginning of this manual.TROUBLESHOOTING GUIDEPROBLEMS(SYMPTOMS)Major physical or elect

FOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b. Install equ

E-3E-3TROUBLESHOOTINGTROUBLESHOOTING GUIDEObserve Safety Guidelinesdetailed in the beginning of this manual.PROBLEMS(SYMPTOMS)No wire feed when gun tr

E-4E-4TROUBLESHOOTINGObserve Safety Guidelinesdetailed in the beginning of this manual.TROUBLESHOOTING GUIDEIf for any reason you do not understand th

F-1F-1WIRING DIAGRAMSELECTRICAL SYMBOLS PER E1537CAVITY NUMBERING SEQUENCE( COMPONENT SIDE OF BOARD )539541213GUN TRIGGERTHERMOSTAT2085KWIRE SPEEDR2(W

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ivSAFETYivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques qui parra

Thank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product••• as much p

viTABLE OF CONTENTSPageInstallation ...Section ATe

A-1SP-175TA-1INSTALLATIONFuse orOutput Mode Input Voltage Breaker Size Input Amps Power CordRATED 230V/60Hz 40 Super Lag 20/22 50 Amp, 250V,208V/60Hz

A-2A-2INSTALLATIONSAFETY PRECAUTIONSRead entire installation section before startinginstallation.IDENTIFY AND LOCATE COMPONENTSIf you have not already