Lincoln Electric IM724 manual Innershield Fcaw Replacement Parts Conversion

C-2	ACCESSORIES		C-2
INNERSHIELD (FCAW)		REPLACEMENT PARTS
CONVERSION		Complete Gun and Cable Assembly
Several changes are needed to convert the unit for		L8311-6 (K530-4)
operation with the Innershield (FCAW) process. The
K549-1 or K549-2 Innershield Kits include all the nec-		Contact Tip .025” (0.6 mm)
essary accessories for this conversion and are provid-		S19726-1
ed for this purpose. The following conversions should
be made using the contents of this kit:		Contact Tip .030” (0.8 mm)
1. Change the output polarity to DC(–). See “Work		S19726-2
Cable Installation” in Installation section for details.		Contact Tip .035” (0.9 mm)
2. Install proper drive roll for the wire size selected.		S19726-3
See “Changing Drive Roll” in Maintenance section		Contact Tip-Tapered .025” (0.6 mm)
for details.		S20278-1
3. Install the proper gun liner and tip for the wire size		Contact Tip-Tapered .030” (0.8 mm)
selected. See “Component Replacement” in		S20278-2
Maintenance section for details.		Contact Tip-Tapered .035” (0.9 mm)
4. Remove gas nozzle (if installed) and install gasless		S20278-3
nozzle. To remove, simply unscrew.		Liner .023 - .030” (0.6 - 0.8 mm)
5. Load wire into machine and thread into gun and		M16291-2
cable per “Welding Wire Loading” section.

Liner .030 - .035” (0.8 - 0.9 mm)

M16291-6

Liner .035/.045” (0.9/1.2 mm)

M16291-1

Gas Diffuser

S19728

Gas Nozzle

M16294

Gas Nozzle-Tip Recessed 3/8” (9.5 mm)

Opening I.D.

M16684

Gas Nozzle-Tip Recessed 1/2” (12.7 mm)

Opening I.D.

M16684-1

Gas Nozzle-Tip Recessed 5/8” (15.9 mm)

Opening I.D.

M16684-2

Spot Welding Nozzle

M17846

Gasless Nozzle (Innershield Only)

M16418

SP-135T