Hobart Welding Products OM-947 212 149D manual Replacing Gun Liner, Head Mm / 10 mm Tube

6-7. Replacing Gun Liner

		Y Turn off welding power source.
		Tools Needed:
1	Head	8 mm / 10 mm
	Tube
	2
	3

8 mm

Remove nozzle. Cut off wire	Open pressure assembly. Retract	. Hold wire tightly to keep it
at contact tip, and remove	wire from liner onto spool.	from unraveling. Secure
contact tip and tip adapter.
		end of wire at spool.

Remove screws (3) from cover, and remove cover from wire drive assembly.

8 mm

Loosen liner setscrew.

Loosen and remove retaining nut from liner. Pull liner out of gun cable. If necessary, twist cable to ease removal.

Twist top and bottom handle locking rings counterclockwise 1/4 turn. Slide bottom ring down cable and top ring forward over head tube. Separate gun handle halves.

Remove black sleeving from end of replacement liner.

Install retaining nut on one end of liner. Lay gun cable straight on a flat surface. Insert bare end of liner (end without retaining nut) into wire drive end of cable. Push liner toward gun. If necessary, twist cable to ease installation.

Ref. 804 241-A / 803 497-A / 803 837-A / 803 899-A

OM-947 Page 24