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Lincoln Electric IM887 manual

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Table of contents for the manual

  • Page 1

    • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 441 17-1 199 U.S.A. TEL: 216.481.8100 F AX: 216.486.1751 WEB SITE: www .lincolnelectric.com • World's Leader in W elding and Cutting Products • MA GNUM 250 LX SPOOL GUN OPERA TOR’S MANUAL IM887 July , 2006 Safety Depends on Y ou Lincoln arc welding [...]

  • Page 2

    FOR ENGINE powered equipment. 1.a. T urn the engine off before troubleshooting and maintenance work unless the maintenance work requires it to be running. ____________________________________________________ 1.b. Operate engines in open, well-ventilated areas or vent the engine exhaust fumes outdoors. _______________________________________________[...]

  • Page 3

    ii SAFETY ii ARC RA YS can burn. 4.a. Use a shield with the proper filter and cover plates to protect your eyes from sparks and the rays of the arc when welding or observing open arc welding. Headshield and filter lens should conform to ANSI Z87. I standards. 4.b. Use suitable clothing made from durable flame-resistant material to protect your skin[...]

  • Page 4

    FOR ELECTRICALL Y powered equipment. 8.a. T urn of f input power using the disconnect switch at the fuse box before working on the equipment. 8.b. Install equipment in accordance with the U.S. National Electrical Code, all local codes and the manufacturer ’s recommendations. 8.c. Ground the equipment in accordance with the U.S. National Electrica[...]

  • Page 5

    iv SAFETY iv PRÉCAUTIONS DE SÛRETÉ Pour votre propre protection lire et observer toutes les instructions et les précautions de sûreté specifiques qui parraissent dans ce manuel aussi bien que les précautions de sûreté générales suiv- antes: Sûreté Pour Soudage A L ’Arc 1. Protegez-vous contre la secousse électrique: a. Les circuits [...]

  • Page 6

    Thank Y Y o u for selecting a QUALITY product by Lincoln Electric. We want you to take pride in operating this Lincoln Electric Company product ••• as much pride as we have in bringing this product to you! Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it handy for quick reference. Pay[...]

  • Page 7

    1 T ABLE OF CONTENTS SAFETY PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i-v T ABLE OF CONTEN[...]

  • Page 8

    PRODUCT DESCRIPTION The 250 LX spool gun is a lightweight, handheld combined semiau- tomatic wire feeder and welding gun, designed primarily for alu- minum welding using argon shielding gas. The feeding distance of the self-contained wire supply to the arc is only several inches, elim- inating the wire feeding problems normally associated with feed[...]

  • Page 9

    Unpacking the Spool Gun Safety Precautions – Read "Safety Precautions" in the Operating Manual before proceeding. Only personnel that have read and understood the Operating Manual should install and operate this equipment. – Power source must be turned "OFF" and power leads disconnected when installing this unit. Unpacking t[...]

  • Page 10

    Spool Gun Familiarization Become familiar with your spool gun before connecting to welder . For features described below , refer to Figure on the next page. 1. Handle, gun can be used in either right or left hand. 2. T rigger operates welding power , gas flow , and wire feed. 3. Remote wire speed control, located behind the handle, controls the spe[...]

  • Page 11

    MAGNUM 250 LX - OPERA TING INSTRUCTIONS 5 LID (POSITION UP) CONT ACT TIP SPOOL COVER KNOB SPOOL COVER TORCH BODY IDLER ROLLER PRESSURE RELEASE LEVER (POSITION UP) Safety Precautions W ARNING • Do not touch electrically live parts or electrode with skin or wet clothing • Insulate yourself from work and ground. • Always wear dry insulating glov[...]

  • Page 12

    MAGNUM 250 LX - OPERA TING INSTRUCTIONS 6 4. Select wire of size and type needed. Wire must be straight, with no kinks or bends. Check drive roller for the correct groove positioning for the size wire selected. See "Drive Roll Groove Selection", for details. 5. Put wire spool on shaft. After spool wire is in place, make sure the Spool Bra[...]

  • Page 13

    MAGNUM 250 LX - OPERA TING INSTRUCTIONS NARROW WIDE 3/64th .030 or .035 LID RELEASE LEVER SHAFT DRIVE ROLL 7 Liner Installation: Over tightening the Liner Retaining Set Screw can cause damage to the Plastic Liner and cause wire feeding problems. DIFFUSER SET SCREW NECK LINER CAUTION Drive Roll Groove Selection The drive roll has two grooves. A wide[...]

  • Page 14

    8 MAGNUM 250 LX - OPERA TING INSTRUCTIONS Making A W eld 1. Check that the spool gun power , control, and gas connections are correct for the power source being used. Check that the gas supply is turned on. Check wire spool for an adequate supply of wire. 2. See "Procedure Settings", below for wire feed speed and voltage settings. Set the[...]

  • Page 15

    MAGNUM 250 LX ACCESSORIES/MAINTENANCE MAINTENANCE Safety Precautions W ARNING • Do not operate with covers removed. • Disconnect input power from welder before installing gun. • Do not touch electrically hot part. • Only qualified persons should install, use or service this machine. ELECTRIC SHOCK can kill. When finished welding, be sure to[...]

  • Page 16

    MAGNUM 250 LX T roubleshooting Guide PROBLEM SYMPTOMS REMEDY No arc, wire feed, or gas flow . 1. Cable connections loose. 1. Check all power connections. 2. T rigger switch loose or defective. 2. Fix switch or replace. 3. Welder not turned on. 3. T urn on welder power . 4. Welder not plugged in. 4. Plug in. 5. Cable or adapter cable damaged. 5. Ins[...]

  • Page 17

    MAGNUM 250 LX T roubleshooting Guide TESTING THE TORCH Motor Check. Remove the torch connector from the cabinet. Using the torch Control Cable Connector , check the resistance across pins “A” and “B” (motor leads). The resistance across the motor should be between 5-10 ohms. If an open circuit or short exist, check the motor leads and motor[...]

  • Page 18

    W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic READ AND UNDERST AND THE MANUF ACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES. SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL F ABRICANTE P ARA E[...]

  • Page 19

    W ARNING A VISO DE PRECAUCION A TTENTION W ARNUNG A TEN ÇÃ O Spanish French German Portuguese Japanese Chinese Korean Arabic LEIA E COMPREENDA AS INSTRUÇÕES DO F ABRICANTE P ARA ESTE EQUIP AMENTO E AS PAR TES DE USO, E SIGA AS PRÁTICAS DE SEGURANÇA DO EMPREGADOR. ● Keep your head out of fumes. ● Use ventilation or exhaust to remove fumes [...]

  • Page 20

    • Sales and Service through Subsidiaries and Distributors Worldwide • Cleveland, Ohio 441 17-1 199 U.S.A. TEL: 216.481.8100 F AX: 216.486.1751 WEB SITE: www .lincolnelectric.com • World's Leader in W elding and Cutting Products •[...]