Miller Electric OM-227 398D - Manual (Page 21)

OM-227 398 Page 17
Ref. 804 546-A
5-8. Replacing The Gun Liner On XR-Aluma-Pro Guns
! Turn Off welding power source and
wire feeder.
1 Leather Cover
2 Liner
3 Liner Lock Allen Screw
4 Liner Guide Reducer
5 Wire Guide Cone
6 Wire Collet Guide
7 Power Pin
Lay gun cable out straight.
Remove short leather cover to access liner
assembly.
Loosen liner lock allen screw (located near
back of handle) to remove liner guide re-
ducer from gun.
Remove wire guide cone and wire collet
guide from power pin.
Remove old liner from gun end (see il-
lustration above).
Insert new liner into gun end and continue
feeding liner through cable assembly until
liner is through power pin assembly and is
visible.
Install liner assembly into gun and tighten
liner lock allen screw.
Reinstall wire collet guide at power pin and
tighten onto liner.
Cut liner off flush with wire collet guide. Re-
install wire guide cone.
Refer to Owner’s Manual for instructions
on rethreading wire.
6 7
4 3 1
Power Pin End
Gun End
2
2
Remove Old Liner (Item 2) From Gun End
Install New Liner (Item 2) Into Gun End
5
.
Refer To Instructions Below.
.
Gently pry open
slots to remove
wire collet guide.
.
Cut liner flush with
wire collet guide.