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Lincoln Electric K1722, Operator'S Manual, Page: 29 / 32

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Lincoln Electric K1722 Operator'S Manual Download Page 29

NOTES   

MAGNUM® 400 DUAL PROCEDURE GUNS

Summary of Contents for K1722

Page 1: ...operation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READ ING THIS MANUAL AND THE SAFETY PRECAUTIONS CON TAINED THROUGHOUT And most importantly think before you act and be c...

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: ..._________________________________ Operation Section B Electrodes and Equipment B 1 Making a Weld B 1 Avoiding Wire Feeding Problems B 1 ________________________________________________________________...

Page 8: ...e to provide tool less gas tube connection to Lincoln wire feeders Non GMA model wire feeders require an optional gas solenoid valve The 400 DP guns can also be used with any wire feeder equipped with...

Page 9: ...44 564 15 KP1928 1 25 ft 035 0 9 KP14 35 K574 4 7 6 045 1 2 45 KP54A KP24A 62 KP34A KP44 3545 25 KP1928 1 25 ft 052 1 3 KP14 52 K574 5 7 6 1 16 1 6 116 KP54A KP24A 62 KP34A KP44 116 25 KP1928 1 25 ft...

Page 10: ...to a Lincoln 10 series wire feeder For other wire feed ers the control cable has to be rewired with the appropriate connectors to fit the wire feeder K466 1 8 INSTALLATION For Lincoln Feeders a Remove...

Page 11: ...tting hole in the side of the feeder end handle c The gun control cable provided is not used K466 7 and K466 10 Installation Hobart Series 2000 Feeders and Lincoln 10 Series Feeders a Remove brass cab...

Page 12: ...tubes Remove any burrs from the end of the liner f Screw the gas diffuser onto the end of the gun tube and tighten with the wrench provided g Tighten the set screw in the side of the gas diffuser agai...

Page 13: ...uipped with a dual procedure kit connect the cable marked 1 to the 5 pin amphenol located on the feeder case front The cable marked 2 should be connected to the 3 pin amphenol located on the dual proc...

Page 14: ...er outgoing guide as well as the drive roll are appropriate for the electrode size being used b Fully push the brass connector end of the gun cable into the outgoing side of the feeder wire drive Secu...

Page 15: ...helmet close gun trigger and begin welding Hold the gun so the contact tip to work dis tance gives the correct electrical stickout as required for the procedure being used e To stop welding release th...

Page 16: ...un loosen socket head clamping screw in handle with 3 16 4 8 mm Allen wrench Remove gas nozzle and nozzle insulator and also loosen small set screw in the diffuser using 5 64 2 0 mm Allen wrench NOTE...

Page 17: ...careful not to cut the insulation on the control wires while stripping jacket Pull control leads back and trim the exposed copper and inner tube back 50 inch Strip all four control leads 125 inch back...

Page 18: ...pull the connector nut over the copper strands engage the gun tube connector threads and tighten in place See Figure E 3 CABLE BOOT STRAIN RELIEF HOUSING CABLE ASSEMBLY GUN HOUSING GUN TUBE RED BLUE...

Page 19: ...gun handle Assemble trigger into the proper handle cavity For K1722 also assemble the rocker switch in the groves provided in the handle Assemble right side of gun handle and tighten the screws that...

Page 20: ...ed against the incoming connector shoul der Keeping the copper strands against the shoul der pull the connector nut over the copper strands engage the incoming connector threads and tight en in place...

Page 21: ...the tapered end is 4 68 119 mm from the incoming con nector See Figure E 6 Lock into place with steel housing Plastic strain relief may overhang cable jacket a maximum of 43 11 mm h Position cable bo...

Page 22: ...D 7 D 7 MAGNUM 400 DUAL PROCEDURE GUNS THREAD SIZES FOR MAGNUM 400 CONSUMABLES MAINTENANCE...

Page 23: ...d POSSIBLE CAUSE lists the obvious external possibili ties that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause...

Page 24: ...size cable liner h Partially flashed melted or improper size contact tip a Contact tip worn or incorrect size b Worn or undersize ground cables or poor ground connections c Loose electrode connections...

Page 25: ...seizes in diffuser a Improper procedures or tech niques b Improper gas shielding a Tip overheating due to prolonged or excessive high current and or duty cycle welding a See Gas Metal Arc Welding Gui...

Page 26: ...NOTES MAGNUM 400 DUAL PROCEDURE GUNS...

Page 27: ...NOTES MAGNUM 400 DUAL PROCEDURE GUNS...

Page 28: ...NOTES MAGNUM 400 DUAL PROCEDURE GUNS...

Page 29: ...NOTES MAGNUM 400 DUAL PROCEDURE GUNS...

Page 30: ...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 31: ...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 32: ...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...

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