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INNERSHIELD (FCAW)
CONVERSION
Several changes are needed to convert the unit for
operation with the Innershield (FCAW) process. The
K549-1 or K549-2 Innershield Kits include all the nec-
essary accessories for this conversion and are provid-
ed for this purpose. The following conversions should
be made using the contents of this kit:
1. Change the output polarity to DC(–). See “Work
Cable Installation” in 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.
5. Load wire into machine and thread into gun and
cable per “Welding Wire Loading” section.
*
The factory installed Gun Liner will feed .025-.035 (0.6-0.9mm)
wire.
C-1
ACCESSORIES
C-1
OPTIONAL ACCESSORIES
1. K549-1 .035" (0.9 mm) Innershield® Welding Kit
— Includes a contact tip, a gasless nozzle and a
.035/.035" (0.8-0.9mm) cable liner to permit the
Magnum™ 100L gun and cable to use .035" (0.9
mm) diameter flux-cored electrode. The fitting on
the end of the liner is stenciled with the maximum
rated wire size (.045"/1.2 mm). Also included is a
10 lb. (4.5 kg.) spool of .035" (0.9 mm) Innershield
NR-211-MP.
See “Innershield (FCAW) Conversion” in this sec-
tion for installation instructions and MAINTE-
NANCE section for proper feeding component con-
figuration and installation.
2. K664-2 Aluminum Feeding Kit — This kit
required for welding with .035 Aluminum wire.
Included with this kit are a drive roll, liner and con-
tact tip. It is important when changing between
welding with steel wire and aluminum to
exchange these components due to the lubri-
cant applied to steel wire. Failure to do so may
result in contaminated welds when welding alu-
minum.
3. K520 Utility Cart — Designed to transport the
Lincoln family of small welders. Has provisions for
mounting a single gas cylinder. Has front casters
and large rear wheels. Handle height is easily
adjustable. Bottom tray provided for tools and
accessories. Easy assembly required; takes less
than 15 minutes.
4. K586-1 Deluxe Adjustable Gas Regulator &
Hose Kit — Accommodates CO
2
or mixed Gas
Cylinders.
SP-135T