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OM-1594 Page 33
6-3. Removing Contact Tip Adapter In XR-Edge Guns
Ref. 802 253
1 Nozzle
2 Adapter Nozzle
3 Nozzle Adapter Locking Nut
Loosen locking nut to remove
nozzle and adapter nozzle.
4 Contact Tip
5 Collet Nut
6 Quick Change Contact Tip
Adapter
Remove contact tip from contact tip
adapter.
7 Insulated Sleeve
8 Head Tube
Install insulated sleeve, then install
and tighten new adapter into head
tube. Reinstall contact tip, collet
nut, adapter nozzle, and nozzle.
Tools Needed:
1
2
3
5
7
1/2 in
8
6
4
6-4. Replacing Head Tube Liner In XR-Edge Guns
Ref. 802 328
. Turn OFF coolant supply
before removing head tube on
water-cooled gun.
Head tube liner is available for the
following wire size ranges:
.030-.035 wire size
.047-1/16 wire size
When changing wire size, change
control box drive roll and idler (see
Section 6-1), gun pressure roll and
drive roll (see Sections 6-2 and
6-7), and gun liner.
1 Head Tube
2 Head Tube Nut
Loosen head tube nut and remove
head tube from gun.
3 O-Ring
4 Liner
Pull liner out of head tube. Be sure
o-ring stays in place in groove. Re-
place o-ring if necessary. If o-ring is
replaced, o-ring must be installed
before liner is inserted.
Insert new liner into head tube and
reinstall head tube onto gun.
. Be sure head tube nut is
securely tightened before
operating gun. If head tube nut
is not adequately tightened, un-
wanted arcing may occur be-
tween head tube and gun hous-
ing.
1
2
4
3
Insert chamfered end
of liner into head tube.