Lincoln Electric IM790 manual Innershield Fcaw Conversion, Replacement Parts

C-2 ACCESSORIES C-2

INNERSHIELD (FCAW)

CONVERSION

Several changes are needed to convert the unit for operation with the Innershield (FCAW) process. The Innershield Kits include all the necessary accessories for this conversion and are provided for this purpose. The following conversions should be made using the contents of a kit:

1.Change the output polarity to DC(-). See “Work Cable Installation” section for details.

2.Install proper drive roll for the wire size selected. See “Changing Drive Roll” in Maintenance section for details.

3.Install the proper gun liner* and tip for the wire size selected. See “Component Replacement” in Maintenance section for details.

4.Remove gas nozzle (if installed) and install gasless nozzle. To remove, simply unscrew.

*The factory installed gun liner will feed .025-.035 (0.6-0.9mm) wire.

REPLACEMENT PARTS

Complete Gun and Cable Assembly

L8311-6 (K530-4)

Contact Tip .025” (0.6 mm)

KP2039-1B1

Contact Tip .030” (0.8 mm)

KP2039-2B1

Contact Tip .035” (0.9 mm)

KP2039-3B1

Contact Tip .045” (1.2 mm)

KP2039-4B1

Contact Tip-Tapered .025” (0.6 mm)

KP2052-1B1

Contact Tip-Tapered .030” (0.8 mm)

KP2052-2B1

Contact Tip-Tapered .035” (0.9 mm)

KP2052-3B1

Contact Tip-Tapered .045” (1.2mm)

KP2052-4B1

Contact Tip .035A” (0.9 mm)

KP2078-1B1 (Aluminum Tip-Mag 100L)

Liner .023 - .035” (0.6 - 0.9 mm) KP1937-3

Liner .035 - .045” (0.9 - 1.2 mm) KP1937-1

Gas Diffuser

KP2040-1

Gas Nozzle

KP1938-1

Gas Nozzle-Tip Recessed 3/8” (9.5 mm) Opening I.D.

KP1942-1

Gas Nozzle-Tip Recessed 1/2” (12.7 mm) Opening I.D.

KP1942-2

Gas Nozzle-Tip Recessed 5/8” (15.9 mm) Opening I.D.

KP1942-3

Spot Welding Nozzle

KP1956-1

Gasless Nozzle (Innershield Only)

KP1939-1

SP-175 PLUS