Lincoln Electric IM789 WELDMARK 135 PLUS - Manual (Page 23)

C-2
C-2 ACCESSORIES
INNERSHIELD (FCAW)
CONVERSION
Several changes are needed to convert the unit for
operation with the Innershield (FCAW) process. The
K549-1 Innershield Kit includes all the necessary
accessories for this conversion and are provided 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 ” 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
(.06mm-.09mm) 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-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
Liner .025 - .035” (0.6 - 0.9 mm)
KP1937-3
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.
KP1942-1
Gas Nozzle-Tip Recessed 5/8” (15.9 mm)
Opening I.D.
KP1942-2
Spot Welding Nozzle
M17846-1
Gasless Nozzle (Innershield Only)
KP1939-1
WELDMARK 135 PLUS