Replacing The Gun Liner On Xr-Alumapro Guns - Miller XR - AlumaPro Owner's Manual

6-7. Replacing The Gun Liner On XR-AlumaPro Guns

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Refer To Instructions Below.
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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.
1 4
Remove Old Liner (Item 2) From Gun End
Install New Liner (Item 2) Into Gun End
5 6 2 7
.
Gently pry open
slots to remove
wire collet guide.
.
Cut liner flush with
wire collet guide.
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
2 3
Power Pin End
Gun End
Ref. 804 546-A
liner is through power pin assembly and is
visible.
Install liner assembly into gun and firmly
tighten (do not over 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.
OM-227 398 Page 17