Lincoln Electric LN-7 GMA manual

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Table of contents for the manual

  • Page 1

    Description Output Input MI G Flux-Cor ed Submerged Arc (1) LN-7 and LN-7 GMA Semiautomatic, Constant Speed Wire Feeders The LN-7 and LN-7 GMA are semiautomatic constant speed wire feeders that can be used with a variety of Lincoln engine drives, DC or CV power sources in a shop or field environment. Both models and a Ready-Pak™ package feature L[...]

  • Page 2

    LN-7 and LN-7 GMA www .lincolnelectr ic.com [2] A CLOSER LOOK PERFORMANCE • Easy wire feeding with standard 2-roll or optional 4-roll wire drive system. • Unique drive roll design provides positive feeding and quick reload- in g by simply starting wire into guide tube. The drive rolls and guide tubes are designed for long life and precise wire [...]

  • Page 3

    LN-7 and LN-7 GMA www .lincolnelectr ic.com [3] A CLOSER LOOK Connections are for current equipment design. Subject to change without notice. CV -250 CV -300 V350-PRO CV400-I CV500-I T wist-Mate 14 Pin Control Cable Weld Power Cable Control Cable Control Cable Adapter Cable Weld Power Cable Weld Power Cable CV -400 CV -655 DC-400 DC-600 DC-655 Rang[...]

  • Page 4

    LN-7 and LN-7 GMA www .lincolnelectr ic.com [4] A CLOSER LOOK REMOTE OUTPUT CONTROL SELECTION GUIDE Ranger® 250 Ranger 250 LPG Ranger 305G Ranger 305D Commander® 300 V antage® 500 CV -250 CV -300 CV -400 CV -655 V350-PRO DC-400 DC-655 DC-600 6 Pin 6 Pin 14 Pin 6 Pin/14 Pin 14 Pin K864 Adapter K857 K857 Control Cable (14 Pin) Control Cable (14 Pi[...]

  • Page 5

    Cable Type Description Wire Feeder Control Cable K1818-10 Male 9 pin to female 14 pin Wire Feeder Control Cable Extensions K1797-25 - 25 ft. Male 14 pin to female 14 pin K1797-50 - 50 ft. Adapter Cable for Control Cable to T erminal Strip Power Sources 14 pin control cable to T erminal K1798 Strip Order No. Description K1840-10 T wist-Mate™ to Lu[...]

  • Page 6

    LN-7 and LN-7 GMA www .lincolnelectr ic.com [6] RECOMMENDED OPTIONS GENERAL OPTIONS Universal Wire Reel Stand For use with Lincoln 10-60 lb. (4.5-27.2 kg) wire packages that use a 2” (51mm) spindle. Hole in stand fits over lift bail. Order K1524-1 Insulated Lift Bail Allows the entire wire feeder to be hung from a crane or hook. Use with K1524-1.[...]

  • Page 7

    LN-7 and LN-7 GMA www .lincolnelectr ic.com [7] RECOMMENDED OPTIONS GENERAL OPTIONS CONT . GMA Timer Kit Provides delays for preflow and postflow gas, adjustable burn- back, and a purge/cold inch switch. For LN-7 GMA only . Order K418 Burnback Kit Provides adjustable delay of power source output shut off to prevent electrode sticking in crater when[...]

  • Page 8

    LN-7 WIRE FEEDER (2 Roll) K521 LN-7 GMA (2 Roll) with gas solenoid valve K440-2 LN-7 GMA (4 Roll) with gas solenoid valve K567-2 LN-7 GMA (2 Roll) Ready-Pak Wire Feeder Package K1801-1 REQUIRED OPTIONS Magnum Gas-Shielded Gun and Cable Assemblies see publication E12.10 Magnum Self-Shielded Gun and Cable Assemblies see publication E12.110 Submerged [...]