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Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However, your
overall safety can be increased by
proper installation ... and thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR
THIS
EQUIPMENT
WITHOUT READING THIS MAN-
UAL AND THE SAFETY PRE-
CAUTIONS
CONTAINED
THROUGHOUT.
And,
most
importantly, think before you act
and be careful.
• 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: www.lincolnelectric.com
MAGNUM 250 LX
SPOOL GUN
K2490-1
RETURN TO MAIN MENU
OPERATOR'S MANUAL
• World's Leader in Welding and Cutting Products •
Copyright © 2006 Lincoln Global Inc.
IM887
July, 2006
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Summary of Contents for Lincoln Electric MAGNUM IM887
- Page 1 MAGNUM 250 LX Safety Depends on You Lincoln arc welding and cutting equipment is designed and built with safety in mind. However, your overall safety can be increased by proper installation ... and thought- ful operation on your part. DO NOT INSTALL, OPERATE OR REPAIR THIS...
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Page 2: California Proposition 65 Warnings
Miami, Florida 33135 or CSA Standard W117.2-1974. A Free copy of “Arc Welding Safety” booklet E205 is available from the Lincoln Electric Company, 22801 St. Clair Avenue, Cleveland, Ohio 44117-1199. BE SURE THAT ALL INSTALLATION, OPERATION, MAINTENANCE AND REPAIR PROCEDURES ARE PERFORMED ONLY BY QUALIFIED INDIVIDUALS. -
Page 3: Electric Shock Can Kill
ELECTRIC SHOCK can kill. 3.a. The electrode and work (or ground) circuits are electrically “hot” when the welder is on. Do not touch these “hot” parts with your bare skin or wet clothing. Wear dry, hole-free gloves to insulate hands. - Page 4 WELDING SPARKS can cause fire or explosion. 6.a. Remove fire hazards from the welding area. If this is not possible, cover them to prevent the welding sparks from starting a fire. Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas.
- Page 5 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.
- Page 6 The code number is especially important when identifying the correct replacement parts. - Register your machine with Lincoln Electric either via fax or over the Internet. • For faxing: Complete the form on the back of the warranty statement included in the literature packet accompanying this machine and fax the form per the instructions printed on it.
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Page 7: Table Of Contents
SAFETY PRECAUTIONS ..............................TABLE OF CONTENTS . -
Page 8: General Information
The gun is intended for use with Power Mig 255C AND Power Mig 350MP Power Sources. For other applications, contact your local Lincoln Electric sales office or distributor. The spool gun is ideal for aluminum fabrication in industrial shops, automobile body shops, marinas and for the advanced hobbyist. -
Page 9: Installation
MAGNUM 250 LX - INSTALLATION 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. -
Page 10: Spool Gun Familiarization Diagram
MAGNUM 250 LX - INSTALLATION 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. -
Page 11: Operating Instructions
MAGNUM 250 LX - OPERATING INSTRUCTIONS Safety Precautions WARNING • Do not touch electrically live parts or electrode with skin or wet clothing • Insulate yourself from work and ground. • Always wear dry insulating gloves. ELECTRIC SHOCK can kill. •... - Page 12 MAGNUM 250 LX - OPERATING INSTRUCTIONS 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.
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Page 13: Drive Roll Groove Selection
MAGNUM 250 LX - OPERATING INSTRUCTIONS CAUTION DIFFUSER SET SCREW Liner Installation: Over tightening the Liner Retaining Set Screw can cause damage to the Plastic Liner and cause wire feeding problems. Drive Roll Groove Selection The drive roll has two grooves. A wider groove for feeding 3/64” (.047) wire and a narrow groove for feeding .030-.035”... -
Page 14: Making A Weld
"Arc Welding Safety Precautions". 4. Connect power to welder and turn "ON". 5. Prepare to purge gas line by first releasing wire drive. Push wire drive release lever to the UP position, to avoid feeding wire. -
Page 15: Accessories
MAINTENANCE Safety Precautions WARNING • 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. -
Page 16: Troubleshooting Guide
MAGNUM 250 LX SYMPTOMS 1. Cable connections loose. 2. Trigger switch loose or defective. 3. Welder not turned on. 4. Welder not plugged in. 5. Cable or adapter cable damaged. 1. Poor ground connection to work. 2. Power cable connection loose. - Page 17 Troubleshooting Guide TESTING THE TORCH Motor Check. Testing the Potentiometer. Testing the Trigger Switch. "W" CLOCKED CONNECTOR (VIEWED FROM FRONT OF CONNECTOR) MAGNUM 250 LX Remove the torch connector from the cabinet. Using the torch Control Cable Connector, check the resistance across pins “A” and “B”...
- Page 18 ● WARNING ● Spanish ● AVISO DE PRECAUCION ● French ● ATTENTION ● ● German WARNUNG ● Portuguese ● ATENÇÃO ● Japanese Chinese Korean Arabic ● ● ● ● ● ● ● ● ● ●...
- Page 19 ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Spanish ● PRECAUCION French ● ● German Portuguese ● ● Japanese Chinese Korean Arabic WARNING AVISO DE ATTENTION WARNUNG ATENÇÃO...
- Page 20 • World's Leader in Welding and Cutting Products • • 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: www.lincolnelectric.com...