Lincoln-electric IM536 SP-125 Plus Manuel d'utilisateur

SP-125 PLUSOPERATOR’S MANUALIM536-DMarch, 2001Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind.

A-2INSTALLATIONSP-125 PLUSRead entire installation section before startinginstallation.SAFETY PRECAUTIONSIDENTIFY AND LOCATE COMPONENTSIf you have not

A-3 INSTALLATIONSP-125 PLUSSELECT SUITABLE LOCATIONLocate the welder in a dry location where there is freecirculation of clean air into the louvers in

SP-125 PLUSA-4INSTALLATION3. Route the cable under and around the back of theWire Feed Gearbox (6).4. For GMAW Only: Refer to Figure A.2. As deliv-ere

A-5 INSTALLATIONSP-125 PLUS3. Attach the flow regulator to the cylinder valve andtighten the union nut securely with a wrench. Theflow regulator for c

A-6INSTALLATIONSP-125 PLUSCODE REQUIREMENTS FOR INPUTCONNECTIONSThis welding machine must be connected topower source in accordance with applicable el

SP-125 PLUSB-1 OPERATIONRead entire Operation section beforeoperating the SP-125 Plus.ELECTRIC SHOCK can kill.• Do not touch electrically liveparts or

SP-125 PLUSSP-125 PLUS B-2 OPERATIONGENERAL DESCRIPTIONThe SP-125 Plus is a complete semiautomatic con-stant voltage DC arc welding machine. Included

SP-125 PLUSB-3 OPERATIONFIGURE B.1aRefer to Figure B.1b4. Circuit Breaker – Protects machine from damage ifmaximum output is exceeded. Button will ext

SP-125 PLUS B-4 OPERATIONFIGURE B.3Note: The brake should be adjusted with a spool ofwire installed. When properly adjusted it shouldmove freely but n

SP-125 PLUSB-5 OPERATIONShielding GasWhen using the GMAW process, a cylinder of shield-ing gas, must be obtained. Refer to the ACCES-SORIES section fo

SP-125 PLUSFOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to

SP-125 PLUSB-6 OPERATION9. To stop welding, release the gun trigger and thenpull the gun away from the work after the arc goesout.10. When no more wel

SP-125 PLUSB-7 OPERATIONOVERLOAD PROTECTIONOutput OverloadThe SP-125 Plus is equipped with a circuit breakerwhich protects the machine from potential

SP-125 PLUSB-8 LEARNING TO WELDLEARNING TO WELDNo one can learn to weld simply by reading about it.Skill comes only with practice. The following pages

SP-125 PLUSB-9 LEARNING TO WELDThe “arc stream” is seen in the middle of the picture.This is the electric arc created by the electric currentflowing t

SP-125 PLUSB-10 LEARNING TO WELD2. Can I afford the extra expense, space, and lack ofportability required for gas cylinders and gas sup-ply?3. Do I re

SP-125 PLUSB-11 LEARNING TO WELDFIGURE B.12PenetrationUnless a weld penetrates close to 100% of the metalthickness, a butt weld will be weaker than th

SP-125 PLUSB-12 LEARNING TO WELDFIGURE B.16Vertical-down WeldingRefer to Figure B.17 Vertical-down welds are appliedat a fast pace. These welds are th

SP-125 PLUSB-13 LEARNING TO WELDARC RAYS can burn eyes and skin.When using an open arc process, itIs necessary to use correct eye,head and body protec

SP-125 PLUSB-14LEARNING TO WELDMild Steel 16 gauge or 1/16 inch(1.6 mm)Electrode 0.035" (0.9 mm)NR-211-MPInnershield WireVoltage Setting “V” EWir

SP-125 PLUSB-15 LEARNING TO WELDMACHINE SET UP FOR THE GMAW (MIG)PROCESS1. See PROCESS GUIDELINES in the OPERATIONsection for selection of welding wir

SP-125 PLUSiiSAFETYiiARC RAYS can burn.4.a. Use a shield with the proper filter and coverplates to protect your eyes from sparks andthe rays of the ar

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

SP-125 PLUSB-17LEARNING TO WELD4. After you strike the arc, practice the correct electri-cal stickout. Learn to distinguish it by its sound.5. When yo

SP-125 PLUSB-18 LEARNING TO WELDProper Gun HandlingMost feeding problems are caused by improper han-dling of the gun cable or electrodes.1. Do not kin

B-19 APPLICATION CHARTSP-125 PLUS

C-1 SP-125 PLUSACCESSORIES6. KP666-035C Knurled Drive Roll (optional) —Reversible Drive Roll with double knurled groovesfor .035 (0.9 mm) cored electr

C-2 SP-125 PLUSACCESSORIESINNERSHIELD (FCAW)CONVERSIONSeveral changes are needed to convert the unit foroperation with the Innershield (FCAW) process.

SP-125 PLUSMAINTENANCESAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Disconnect input power by remov-ing plug from receptacle beforeworking inside SP-125

SP-125 PLUSD-2 MAINTENANCEGUN AND CABLE MAINTENANCEFOR MAGNUM™ 100L GUNGun Cable CleaningClean cable liner after using approximately 300 lbs(136 kg) o

SP-125 PLUS D-3MAINTENANCECOMPONENT REPLACEMENT PROCEDURESCHANGING THE CONTACT TIP1. Unplug or turn power switch to Off “O” position.2. Refer to Figur

SP-125 PLUSD-4MAINTENANCECHANGING LINERNOTICE: The variation in cable lengths pre-vents the interchangeability of liners. Oncea liner has been cut for

SP-125 PLUSFOR ELECTRICALLYpowered equipment.8.a. Turn off input power using the disconnectswitch at the fuse box before working onthe equipment.8.b.

SP-125 PLUSD-5MAINTENANCEGUN HANDLE PARTSThe gun handle consists of two halves that are heldtogether with a collar on each end. To open up thehandle,

SP-125 PLUSE-1 TROUBLESHOOTINGStep 1. LOCATE PROBLEM (SYMPTOM).Look under the column labeled “PROBLEM(SYMPTOMS)”. This column describes pos-sible symp

SP-125 PLUSE-2TROUBLESHOOTINGObserve Safety Guidelinesdetailed in the beginning of this manual.TROUBLESHOOTING GUIDEPROBLEMS(SYMPTOMS)Major physical o

SP-125 PLUSE-3TROUBLESHOOTINGObserve Safety Guidelinesdetailed in the beginning of this manual.TROUBLESHOOTING GUIDEPROBLEMS(SYMPTOMS)No wire feed whe

SP-125 PLUSE-4TROUBLESHOOTINGObserve Safety Guidelinesdetailed in the beginning of this manual.TROUBLESHOOTING GUIDEPROBLEMS(SYMPTOMS)Arc is unstable

SP-125 PLUSF-1 WIRING DIAGRAMSSP-125 PLUS WIRING DIAGRAM: CODE 10260, 10481 M18196 L1L23132531TO GROUNDPER NATIONALELECTRICAL CODES1SWITCH202201

SP-125 PLUSF-2NOTES

SP-125 PLUSNOTES

Now Available...12th EditionThe Procedure Handbook of Arc WeldingWith over 500,000 copies of previous editions publishedsince 1933, the Procedure Hand

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

SP-125 PLUSivSAFETYivPRÉCAUTIONS DE SÛRETÉPourvotre propre protection lire et observer toutes les instructionset les précautions de sûreté specifiques

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicLEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE

• Sales and Service through Subsidiaries and Distributors Worldwide •Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB

SP-125 PLUSvThank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product•

viSP-125 PLUSTABLE OF CONTENTSPageInstallation ...

viiSP-125 PLUS

A-1 INSTALLATIONSP-125 PLUSFuse orOutput Mode Input Voltage Breaker Size Input Amps Extension CordRATED 115V/60Hz 20 Amp 20 Three Conductor#14 AWG(2.1