Lincoln-electric IM10009 MAGNUM PRO 250_350_450_550 User Manual

MAGNUM®PRO 250/350/450 AND 550OPERATORʼS MANUALIM10009-BJanuary, 2011Safety Depends on YouLincoln arc welding and cuttingequipment is designed and bui

A-3GENERAL DESCRIPTION MAGNUM® PRO 250, 350, 450 AND 550A-3MAGNUM® PRO 550 (550 amperes AT 100% DUTY CYCLE WITH CO2GAS375 amperes AT 100% DUTY CYCL

INSTALLATION MAGNUM® PRO 250, 350, 450 & 550 AMPRead this entire installation section before youstart installation.SAFETY PRECAUTIONSELECTRIC SH

INSTALLATION MAGNUM® PRO 250, 350, 450 & 550 AMPb. Remove the molded gas plug fitting on the side of thefeeder end handle and replace it with th

INSTALLATION LINER INSTALLATION AND TRIMMING INSTRUCTIONSInstallation of (KP44 and KP44N series liners)a. Lay the gun and cable straight on a flat s

INSTALLATION MAGNUM® PRO 250, 350, 450 & 550 AMPCONTACT TIP AND GAS NOZZLE INSTALLATIONa. Choose the correct size contact tip for the electrodeb

INSTALLATIONCONNECTION TO L-TEC ADAPTED FEEDERSGun and cable assemblies which were assembled witha K466-5 connection kit will connect easily to an L-T

OPERATIONELECTRODES AND EQUIPMENTThe MAGNUM® PRO 250, 350, 450 & 550 Amp gunsand cables have been designed for use with Lincoln L-50 and L-56, sol

MAINTENANCEREMOVAL, INSTALLATION AND TRIMMINGINSTRUCTIONS FOR MAGNUM®LINERSNOTE: The variation in cable lengths prevents theinterchangeability of line

MAINTENANCEthe outer jacket as shown in (Figure D.1). Be care-ful not to cut the insulation on the control wires whilestripping jacket. Strip the red

MAINTENANCEbly and connect the replacement control lead termi-nals.j. Position the cable boot and strain relief on the cableso it fits in cable handle

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

MAINTENANCEstrands with the threaded end out. Assemble incom-ing connector to cable by forcing the steel tube ofthe connector into the inside diameter

TROUBLESHOOTINGMAGNUM® PRO 250, 350, 450 & 550 AMPE-1E-1If for any reason you do not understand the test procedures or are unable to perform the t

E-2TROUBLESHOOTINGE-2MAGNUM® PRO 250, 350, 450 & 550 AMPObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not

TROUBLESHOOTINGMAGNUM® PRO 250, 350, 450 & 550 AMPObserve all Safety Guidelines detailed throughout this manualIf for any reason you do not unders

NOTES MAGNUM® PRO 250, 350, 450 AND 550

READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TOBE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.SE REC

LEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO, E SIGA ASPRÁTICAS DE SEGURANÇA DO EMPREGADOR.WARNINGAVISO DEPR

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

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

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

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

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

TABLE OF CONTENTSPageGeneral Description ... Sectio

GENERAL DESCRIPTIONMAGNUM® PRO 250, 350, 450 & 550 AMPA-1A-1GENERAL DESCRIPTIONThe MAGNUM® PRO 250, 350, 450 & 550 Amp andcable assemblies hav

GENERAL DESCRIPTIONMAGNUM® PRO 250, 350, 450 & 550 AMPA-2A-2MAGNUM® PRO 250 (250 amperes AT 100% DUTY CYCLE WITH CO2GAS250 amperes AT 100% DUTY C