Lincoln-electric IMT636 POWER MIG 255 Manuel d'utilisateur

POWER MIG™255IMT636-BJanuary, 201022801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.S.A. Tel. (216) 481-8100Safety Depends on YouLincoln arc welding a

A-1TECHNICAL SPECIFICATIONSHeight Width Depth Weight31.79 in 18.88 in 38.78 in 220 Ibs808 mm 480 mm 985 mm 100 kgWire Speed 50 - 700 IPM (1.27 - 17.8

A-2INSTALLATION INSTALACIONINSTALLATIONLea completamente la sección de instalaciónantes de iniciar.PRECAUCIONES DE SEGURIDAD• La DESCARGA ELECTRICA pu

A-3INSTALLATION INSTALACIONINSTALLATION1. Before starting the installation, check with the localpower company if there is any question aboutwhether yo

A-44. Using the instructions in Figure A.3, have a quali-fied electrician connect the receptacle or cable tothe input power lines and the system groun

A-5OUTPUT POLARITY CONNECTIONSThe welder, as shipped from the factory, is connectedfor electrode positive (+) polarity. This is the normalpolarity for

SHIELDING GAS(For Gas Metal Arc Welding Processes)Customer must provide cylinder of appropriate typeshielding gas for the process being used.A gas flo

A-7NOTE: If connecting to 100% CO 2 cylinder, insertregulator adapter between regulator and cylindervalve. If adapter is equipped with a plastic washe

B-1OPERATION OPERACIÓN FONCTIONNEMENTLea toda la sección de operación antes deoperar la POWER MIG 255La DESCARGA ELECTRICApuede causar la muerte.• No

PRODUCT DESCRIPTIONThe POWER MIG™ 255 is a complete semiautomaticconstant voltage DC arc welding machine built tomeet NEMA specifications. It combines

B-3OPERATION OPERACIÓN FONCTIONNEMENTWELDING CAPABILITYThe POWER MIG 255 is rated at 250 amps @ 26volts, at a 40% duty cycle based on a ten minutecycl

2ARC WELDING CAN BE HAZARDOUS. PROTECT YOUR-SELF AND OTHERS FROM POSSIBLE SERIOUS INJURYOR DEATH. KEEP CHILDREN AWAY. PACEMAKER WEAR-ERS SHOULD CONSUL

B-4OPERATION OPERACIÓN FONCTIONNEMENTWIRE SIZE CONVERSION PARTSThe POWER MIG 255 is rated to feed .025 through.045" (0.6-1.2 mm) solid or cored e

B-5OPERATION OPERACIÓN FONCTIONNEMENT1. Open the Wire Drive Compartment Door2. Depress the Release Bar on the Retaining Collarand remove it from the s

B-6OPERATION OPERACIÓN FONCTIONNEMENTTo Mount 10 to 44 Lb. (4.5-20 kg) Spools(12"/300 mm Diameter) or 14Lb.(6 Kg)Innershield Coils:(For 13-14 lb.

B-7OPERATION OPERACIÓN FONCTIONNEMENT3. Release the pressure on the idle roll by swingingthe adjustable pressure arm down toward the backof the machin

B-8FAST OR SLOW RUN-IN MODE SELECTION,(When Timer Option is not installed)The POWER MIG 255 is factory set for fast run-inmode where the wire feed wil

B-9OPERATION OPERACIÓN FONCTIONNEMENTIt is not necessary to repeat either of the aboveprocedures each time the unit is powered up. The unitwill rememb

B-107. Connect work cable to metal to be welded. Workclamp must make good electrical contact to thework. The work must also be grounded as statedin &q

B-11OPERATION OPERACIÓN FONCTIONNEMENTg) Mantenga la tensión del freno del eje del carretede alambre al mínimo requerido, para evitardesplazamientos e

B-12OPERATION OPERACIÓN FONCTIONNEMENTPROTECCION CONTRASOBRECARGA TERMICA DE LASOLDADURALa POWER MIG 255 cuenta con termostatosprotectores integrados

C-1DRIVE ROLL KITSRefer to Table C.1 for various drive roll kits that are available forthe POWER MIG. All items in Bold are supplied standard withthe

3ELECTRIC AND MAGNETICFIELDSmay be dangerous3.a. Electric current flowing through anyconductor causes localized Electricand Magnetic Fields (EMF). Wel

C-2ALTERNATIVE MAGNUM GMAW GUNAND CABLE ASSEMBLIESThe following Magnum 250L gun and cableassemblies are separately available for use with thePOWER MIG

C-32. Prepare for kit installation by turning thepower switch off and disconnecting powerfrom the machine.3. Remove the lower cover panel from the fro

C. Spot Weld Mode is is used for tack welding partsinto position or for spot plug welds to hold thinsheet metal together prior to manual stitch orcont

C-5SPOOL GUN ADAPTER KITRemove all input power to the POWER MIG 255before proceeding.-----------------------------------------------------------------

1. Pulling the trigger for the built-in feeder gun:a. Disables spool gun operation.b. Closing feeder gun trigger starts feeder gunwelding and makes bo

D-1MAINTENANCE MANTENIMIENTO ENTRETIENPRECAUCIONES DE SEGURIDADUNA DESCARGA ELECTRICApuede causar la muerte.• Haga que un eléctricoespecializado insta

D-2b. Atornille la tobera de gas fija en el difusor. Sepueden utilizar toberas al ras estándar de 12.7 mm(.50") u otras toberas al ras o retraída

D-3Estire el cable a todo lo largo y vuelva a limpiarlo.Repita este proceso hasta que no vuelva a salir mássuciedad. Si se ha presentado este tipo dep

D-4MAINTENANCE MANTENIMIENTO ENTRETIEN4. Insert a new untrimmed liner into the connectorend of the cable. Be sure the liner bushing isstencilled appro

D-5MAINTENANCE MANTENIMIENTO ENTRETIENFIGURE D.1This screw should only be gently tightened.Overtightening will split or collapse the liner andcause po

4SAFETY SEGURIDAD SÉCURITÉWELDING SPARKS cancause fire or explosion.4.a.Remove fire hazards from the weldingarea.If this is not possible, cover themto

D-6MAINTENANCE MANTENIMIENTO ENTRETIENTABLA D.2ACCESORIOS Y PARTES DE REMPLAZO A LAVENTA PARA LA ANTORCHA MAGNUM 250L YENSAMBLES DE CABLETABLEAU D.2AC

E-1HOW TO USETROUBLESHOOTING GUIDEService and Repair should only be performed byLincoln Electric Factory Trained Personnel.Unauthorized repairs perfor

E-2Major physical or electrical damage is evident.1. Contact your Local Lincoln AuthorizedField service facility.There is no wire feed or open circuit

E-3Machine output is low. Welds are "cold", weldbead is rounded or bumped up demonstratingpoor wetting into plate.1. Check input voltage. Ma

E-4Rough wire feeding or wire will notfeed but drive rolls are turning.1. The gun cable may be kinked or twisted.2. The wire may be jammed in the gun

F-1NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular cod

F-2NOTE: This diagram is for reference only. It may not be accurate for all machines covered by this manual. The specific diagram for a particular cod

F-3L11979A.01COLOR CODE:ELECTRICAL SYMBOLS PER E1537GENERAL INFORMATION45J79876265263260261U - BLUER - REDW - WHITEB - BLACKINDICATES CONNECTOR CAVIT

F-4L11980A.01COLOR CODE:ELECTRICAL SYMBOLS PER E1537GENERAL INFORMATION45J79876265263260261U - BLUER- REDW - WHITEB - BLACKINDICATES CONNECTOR CAVITY

F-5AAM19231M19231DIMENSION PRINT POWER MIG 255IMPRESION DE LAS DIMENSIONESPOWER MIG 255DIMENSIONS POWER MIG 255

5ELECTRIC SHOCK can kill.5.a. The electrode and work (or ground)circuits are electrically “hot” when thewelder is on. Do not touch these “hot”parts wi

NOTES

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabic● Do not touch electrically live parts orelect

WARNINGAVISO DEPRECAUCIONATTENTIONWARNUNGATENÇÃOSpanishFrenchGermanPortugueseJapaneseChineseKoreanArabic● Turn power off before servicing.● Desconecta

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

6FUMES AND GASEScan be dangerous.6.a.Welding may produce fumes and gaseshazardous to health. Avoid breathing thesefumes and gases.When welding, keep y

CYLINDER may explode ifdamaged.7.a. Use only compressed gas cylinderscontaining the correct shielding gas forthe process used and properly operat-ing

8TABLE OF CONTENTSINDICE TABLE DES MATIÈRESPageInstallation .....Section ATechnical Specifi

9TABLE OF CONTENTSINDICE TABLE DES MATIÈRESPageMaintenance................Section DSafety Precautions ...