Miller Electric M-25 - Manual (Page 10)

OM-227 796 Page 6
SECTION 5 − MAINTENANCE & TROUBLESHOOTING
5-1. Removing Nozzle, Contact Tip, And Adapter, Changing Liner, And Cleaning Gun
Casing
804 466-A
Y Turn off welding power
source/wire feeder.
1 Nozzle
2 Contact Tip
3 Tip Adapter
4 Nozzle Adapter
.
Wire size stamped on tip −
check and match wire size.
Head
Tube
Tools Needed:
5/8, 7/16 in
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.
7/16 in
3/4 in
(20 mm)
Liner
Stickout
Install
Liner
.
Thread wire according to
welding power source/wire
feeder manual.
Reassemble gun in
reverse order from
taking it apart.
1
4
3
2
5/8 in