Lincoln-electric IM790 SP-175 Plus User Manual

SP-175 Plus OPERATOR’S MANUALIM790March, 2005Safety Depends on YouLincoln arc welding and cuttingequipment is designed and builtwith safety in mind.

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

A-4A-4INSTALLATION4. For GMAW Only: Refer to Figure A.2. As deliv-ered, the SP-175 Plus is wired for positive polarity.This is the appropriate configu

A-5A-5INSTALLATIONSP-175 PLUS3. Attach the flow regulator to the cylinder valve andtighten the union nut securely with a wrench. Theflow regulator for

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

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

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

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-4SP-175 PLUSB-4OPERATIONFIGURE B.3Note: The brake should be adjusted with a spool ofwire installed. When properly adjusted it shouldmove freely but

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

B-6B-6OPERATION9. 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 t

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

SP-175 PLUSB-7OPERATIONOVERLOAD PROTECTIONOutput OverloadThe SP-175 Plus is equipped with a circuit breakerwhich protects the machine from potential d

B-8B-8APPLICATION CHARTSP-175 PLUS

C-1 C-1SP-175 PLUSACCESSORIESOPTIONAL ACCESSORIES1. K520 Utility Cart — Designed to transport theLincoln family of small welders. Has provisions form

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

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

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

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

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

D-5SP-175 PLUSD-5MAINTENANCEGUN HANDLE PARTSThe gun handle consists of two halves that are heldtogether with a collar on each end. To open up thehandl

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

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

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

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

E-4SP-175 PLUSE-4TROUBLESHOOTINGObserve Safety Guidelines detailed in the beginning of this manual.If for any reason you do not understand the test pr

F-1SP-175 PLUSF-1WIRING DIAGRAMSNOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. Thespecific

NOTES

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabicREAD AND UNDERSTAND THE MANUFACTURER’S INSTRUC

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

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

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

viviSP-175 PLUSTABLE OF CONTENTSPageInstallation ...

A-1A-1INSTALLATIONSP-175 PLUSTECHNICAL SPECIFICATIONS – SP-175 PlusFuse orOutput Mode Input Voltage Breaker Size Input Amps Power CordRATED 230V/60Hz

A-2A-2INSTALLATIONSP-175 PLUSRead entire installation section before startinginstallation.SAFETY PRECAUTIONSIDENTIFY AND LOCATE COMPONENTSIf you have