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Lincoln Electric LN-742 Brochure & Specs

Semiautomatic constant speed wire feeders.
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LN- 742 and LN- 742H
Semiautomatic Constant Speed Wire Feeders


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   Summary of Contents for Lincoln Electric LN-742

  • Page 1

    LN- 742 and LN- 742H Semiautomatic Constant Speed Wire Feeders...

  • Page 2

    MIG and flux-cored arc welding. Powered by a new 42 volt motor drive system, the LN-742 is available in standard or high speed models, with either a 2 or 4 roll wire drive system. Designed for welding procedure flexi- bility and simplicity, the LN-742’s...

  • Page 3: Specifications

    Keys used to increase or decrease wire feed speed and inch speed Trigger Mode Control TECHNICAL SPECIFICATIONS Wire Speed Product Ordering Range Name Information IPM (m/min) LN-742 K617-1 50-770 2 roll (1.27-19.5) LN-742H K617-2 80-1200 2 roll (2.03-30.5) LN-742 K618-1 50-770 4 roll (1.27-19.5)

  • Page 4

    DRIVE ROLL AND GUIDE TUBE KITS Steel Wire Sizes: .023-.025 (0.6mm) solid .030 (0.8mm) solid .035 (0.9mm) solid .035 (0.9mm) cored .045-.052 (1.2-1.3mm) solid .045-.052 (1.2-1.3mm) cored .052-1/16 (1.3-1.6mm) solid or cored .068-3/32 (1.7-2.4mm) cored Aluminum Wire Sizes: .035 (0.9mm) 3/64 (1.2mm) 1/16 (1.6mm) Not for LN-742H models.

  • Page 5

    INPUT CABLE ASSEMBLY SELECTION GUIDE 14 Pin CV-250 CV-300 V350-PRO CV400-I CV500-I V300-I 14 Pin/Twist-Mate™ Input Cable Assemblies K591 K593 CV-400 14 Pin CV-655 DC-400 DC-600 (Above code 10500) DC-655 Ranger 9 Ranger 275 Ranger 300 DLX Stud Commander 300* Commander 500 *Requires K1597-2: 42 VAC Kit.

  • Page 6

    OPTIONS AVAILABLE COIL ADAPTER 60 lb. (27.2 kg) Adapter Adapts 60 lb. (27.2 kg) coils of Lincoln electrode to 2” (51mm) spindle. Order K1504-1. K1504-1 WIRE REEL STAND For use with 50-60 lb. (22.7-27.2 kg) coils. Includes 1” (25.4mm) spindle, wire reel, lift bail and dust shield.

  • Page 7

    Allows the entire wire feeder to be hung from a crane or hook. Use with K1524-1. Order K1555-1. K1555-1 115V/42V Transformer Kit Provides a way to use the LN-742 on power sources that have 115V AC available on terminal. Order K1520-1. K1520-1...

  • Page 8: Semiautomatic Wire Feeders

    On occasion, purchasers may ask Lincoln Electric for advice or information about their use of our products. We respond to our customers based on the best information in our possession at that time. Lincoln Electric is not in a position to warrant or guarantee such advice, and assumes no liability, with respect to such information or advice.

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