OM-270 231 Page 21
7-6. Replacing Gun Liner
161-064 / 161-070 / 161-071 / Ref. 804 241-A / 803 497-A / 803 837-A / 803 899-A
Tools Needed:
8 mm / 10 mm
Remove nozzle. Cut off wire at contact tip,
and remove contact tip and tip adapter.
Open pressure assembly. Retract
wire from liner onto spool.
. Hold wire tightly to keep it
from unraveling. Secure
end of wire at spool.
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.
Loosen liner setscrew.
Loosen and remove retaining
nut from liner. Pull liner out of
gun cable. If necessary, twist
cable to ease removal.
! Turn Off welding power source.
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.
8 mm
Remove black sleeving
(if present) from end of
replacement liner.
Head
Tube
8 mm
1
2
3
Remove four screws from
cover, and remove cover
from wire drive assembly.
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