OM-249 498 Page 31
7-5. Changing Nozzle, Contact Tip, Adapter And Liner, And Cleaning Gun Casing
243 839-A
!
Turn off welding power
source.
1
Nozzle
2
Contact Tip
3
Tip Adapter
.
Wire size stamped on tip
−
check
and match wire size.
Tools Needed:
8 mm, 10 mm
Lay gun cable out
straight before
installing new liner.
Remove nozzle,
contact tip, and
adapter.
Unscrew and
remove liner.
Blow out
gun casing.
Cut off wire and
disconnect gun
from feeder.
5/8 in.
(16 mm)
Liner
Stickout
Install
Liner
Reassemble gun in
reverse order from
taking it apart.
10 mm
Head
Tube
8 mm
1
3
2
.
Thread wire according to
welding power source/wire
feeder manual.