5-3. Replacing Gun Liner

 

Y Turn off welding power source.

 

Tools Needed:

Head

8 mm / 10 mm

Tube

 

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.

 

 

 

 

 

 

 

 

 

 

 

 

2 mm

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

8 mm

Loosen liner setscrew

Twist handle locking ring counterclockwise

with allen wrench.

1/4 turn and slide it down cable. Separate

 

gun handle by lifting top rear portion up and

 

sliding forward over head tube.

Remove black sleeving from end of replacement liner.

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

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.

803 496-B / 803 497-A / 803 837-A / 803 899-A

OM-952 Page 8

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Hobart Welding Products H-9A Gun manual Replacing Gun Liner, Loosen liner setscrew, With allen wrench