Lincoln Electric IM790 SP-175 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
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