Lincoln Electric Magnum 450WC Operator'S Manual Download Page 21

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Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com

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Summary of Contents for Magnum 450WC

Page 1: ...DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before you act and be careful Fast Mate Water Coo...

Page 2: ...WEARERS SHOULD CONSULT WITH THEIR DOCTOR BEFORE OPERATING Read and understand the following safety highlights For additional safety information it is strongly recommended that you purchase a copy of...

Page 3: ...er for cooling 3 h Never simultaneously touch electrically hot parts of electrode holders connected to two welders because voltage between the two can be the total of the open circuit voltage of both...

Page 4: ...easily go through small cracks and openings to adjacent areas Avoid welding near hydraulic lines Have a fire extinguisher readily available 6 b Where compressed gases are to be used at the job site sp...

Page 5: ...i s et non inflammables 4 Des gouttes de laitier en fusion sont mises de l arc de soudage Se prot ger avec des v tements de protection libres de l huile tels que les gants en cuir chemise paisse pan t...

Page 6: ...mportant when identifying the correct replacement parts On Line Product Registration Register your machine with Lincoln Electric either via fax or over the Internet For faxing Complete the form on the...

Page 7: ...endable Replacement Parts Section C __________________________________________________________________________________________ Maintenance Section D Cable Cleaning D 1 Gun Tube Replaceable Parts D 1 R...

Page 8: ...duty cycle with mixed argon shielding gases There are several models of guns designed for gas metal arc welding GMAW with 035 1 16 9mm 1 6mm solid electrodes and gas shielded flux cored arc welding F...

Page 9: ...en connect ing the hoses to the water supply the WATER IN BLUE HOSE must be connected to the water out connector on the wire feeder The WATER OUT RED HOSE must be connected to the receptacle marked wa...

Page 10: ...WELDING SPARKS can cause fire or explosion Keep flammable material away ARC RAYS can burn Wear eye ear and body protection B 1 OPERATION B 1 a Check that the welding power source is on and that the sh...

Page 11: ...7 7B1 1 16A 1 6A mm KP2067 10B1 5 64 2 0 mm GAS DIFFUSER KP2059 1 INSULATOR KP2060 1 GAS NOZZLE Flush KP1957 1 0 39 10 mm Flush KP1957 2 0 51 13 mm Flush KP1957 3 0 59 15 mm 12 3 mm Recess KP1957 4 0...

Page 12: ...e a thread it can be unscrewed from the gun tube Refer to Figure E 1 b The nozzle holder can be replaced if the threads are damaged Remove the diffuser and gun tube insulation disk refer to a and Figu...

Page 13: ...MED LINER INTO THE BACK END OF THE GUN 4 SEAT LINER BUSHING INTO THE BACK OF THE GUN SECURE 3 CHECK THE LINER FOR CORRECT WIRE SIZE AND INSERT AN REMOVE THE LINER NUT FROM THE CONNECTOR END OF THE CAB...

Page 14: ...E GUN UNTIL THE STEEL END OF THE LINER IS FULLY INSERTED INTO THE DIFFUSER 3 MARK THE LINER 3 16 5mm FROM THE END OF THE LINER GUIDE PULL THE LINER PARTIALLY OUT AND CUT OFF THE LINER AT THE MARK USIN...

Page 15: ...IBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause genera...

Page 16: ...wire will not feed or wire feeding is rough 2 Variable or hunting arc A Gun cable kinked and or twisted B Wire jammed in gun and cable C Incorrect drive rolls and guide tubes D Gun cable liner dirty...

Page 17: ...NCTION PROBLEMS PROBLEMS SYMPTOMS POSSIBLE CAUSE RECOMMENDED COURSE OF ACTION 3 Poor arc striking with sticking or blast offs weld porosity narrow and ropy looking bead or elec trode stubbing into pla...

Page 18: ...NOTES MAGNUM 450WC 650WC...

Page 19: ...parts or electrode with skin or wet clothing G Insulate yourself from work and ground G No toque las partes o los electrodos bajo carga con la piel o ropa moja da G Aislese del trabajo y de la tierra...

Page 20: ...nd Entl ftung des Arbeitsplatzes G Mantenha seu rosto da fuma a G Use ventila o e exhaust o para remover fumo da zona respirat ria G Turn power off before servicing G Desconectar el cable de ali menta...

Page 21: ...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 World s Leader in Welding and Cutting Pr...