Lincoln-electric IM610 SP-175 Plus User Manual

SP-175 PlusOPERATOR’S MANUALIM610-AMay, 2002Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind. Ho

A-3 A-3 INSTALLATIONSP-175 PLUS SELECT SUITABLE LOCATIONLocate the welder in a dry location where there is freecirculation of clean air into the louv

A-4 A-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-ered, the

A-5 A-5 INSTALLATIONSP-175 PLUS 3. Attach the flow regulator to the cylinder valve andtighten the union nut securely with a wrench. Theflow regulator

A-6A-6 INSTALLATIONLine Cord ConnectionA 3 conductor line cord with a 50 amp, 250 volt, three-prong plug (NEMA Type 6-50P) is factory installed.Connec

B-1 SP-175 PLUS B-1 OPERATIONRead entire Operation section beforeoperating the SP-175 Plus.ELECTRIC SHOCK can kill.• Do not touch electrically livepa

B-2 B-2 OPERATIONGENERAL DESCRIPTIONThe SP-175 Plus is a complete semiautomatic constant volt-age DC arc welding machine. Included is a continuous con

WELDING OPERATIONSSEQUENCE OF OPERATION Wire LoadingRefer to Figure B.2 and B.3.The machine power switch should be turned to theOFF (“O”) position bef

B-4 SP-175 PLUS B-4 OPERATIONNote: The brake should be adjusted with a spool ofwire installed. When properly adjusted it shouldmove freely but not c

B-5 B-5 OPERATIONShielding GasWhen using the GMAW process, a cylinder of shield-ing gas, must be obtained. Refer to the ACCES-SORIES section for more

B-6 B-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 welding is

SP-175 PLUSFOR ENGINEpowered equipment.1.a. Turn the engine off before troubleshooting and maintenancework unless the maintenance work requires it to

SP-175 PLUS B-7 OPERATIONOVERLOAD PROTECTIONOutput OverloadThe SP-175 Plus is equipped with a circuit breakerwhich protects the machine from potentia

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

B-9 SP-175 PLUS B-9 LEARNING TO WELDThe “arc stream” is seen in the middle of the picture.This is the electric arc created by the electric currentflo

B-10 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

B-11 SP-175 PLUS B-11 LEARNING TO WELDFIGURE B.12PenetrationUnless a weld penetrates close to 100% of the metalthickness, a butt weld will be weaker

B-12 SP-175 PLUS B-12 LEARNING TO WELDFIGURE B.16Vertical-down WeldingRefer to Figure B.17 Vertical-down welds are appliedat a fast pace. These welds

B-13 SP-175 PLUS B-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

B-14 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”

B-15 SP-175 PLUS B-15 LEARNING TO WELDMACHINE SET UP FOR THE GMAW (MIG)PROCESS1. See PROCESS GUIDELINES in the OPERATIONsection for selection of weld

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-175 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

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

B-18 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 no

B-19 B-19 APPLICATION CHARTSP-175 PLUS

C-1 C-1 SP-175 PLUS ACCESSORIES6. K695-2 Spot / Stitch Timer Kit — Includes spottimer to control the spot welding arc time, and astitch timer to con

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

MAINTENANCESAFETY PRECAUTIONSELECTRIC SHOCK can kill.• Disconnect input power by remov-ing plug from receptacle beforeworking inside SP-175 Plus . Us

D-2 SP-175 PLUS D-2 MAINTENANCEGUN AND CABLE MAINTENANCEFOR MAGNUM™ 100L GUNGun Cable CleaningClean cable liner after using approximately 300 lbs(136

D-3 D-3MAINTENANCECOMPONENT REPLACEMENT PROCEDURESCHANGING THE CONTACT TIP1. Unplug or turn power switch to Off “O” position.2. Refer to Figure D.2. R

D-4 SP-175 PLUS D-4MAINTENANCECHANGING LINERNOTICE: The variation in cable lengths prevents theinterchangeability of liners. Once a liner has beencut

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

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

E-1 SP-175 PLUS E-1 TROUBLESHOOTINGIf for any reason you do not understand the test procedures or are unable to Performthe tests/repairs safely, cont

E-2 SP-175 PLUS E-2TROUBLESHOOTINGPROBLEMS(SYMPTOMS)Major physical or electrical damageis evident.No wire feed, weld output or gasflow when gun trigg

E-3 SP-175 PLUS E-3TROUBLESHOOTINGIf for any reason you do not understand the test procedures or are unable to Perform the tests/repairs safely, cont

E-4 SP-125 PLUSE-4TROUBLESHOOTINGObserve Safety Guidelines detailed in the beginning of this manual.If for any reason you do not understand the test p

F-1 SP-175 PLUS F-1 WIRING DIAGRAMSM19060 L1L231H2202201D5D7D2D8204204203203203204-+OUTPUT CHOKETOWORKELECTRICAL SYMBOLS PER E1537CIRCUITBREAKER

NOTES

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

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SP-175 PLUSivSAFETYivPRÉCAUTIONS DE SÛRETÉPour votre propre protection lire et observer toutes les instructionset les précautions de sûreté specifique

SP-175 PLUSThank Youfor selecting a QUALITY product by Lincoln Electric. We want youto take pride in operating this Lincoln Electric Company product••

vi viSP-175 PLUS TABLE OF CONTENTSPageInstallation ...

A-1 A-1 INSTALLATIONSP-175 PLUS TECHNICAL SPECIFICATIONS – SP-175 Plus Fuse orOutput Mode Input Voltage Breaker Size Input Amps Power CordRATED 230

A-2A-2 INSTALLATIONSP-175 PLUS Read entire installation section before startinginstallation.SAFETY PRECAUTIONSIDENTIFY AND LOCATE COMPONENTSIf you ha