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OM-227 398 Page 15
5-5. Gun Drive Assembly Maintenance For An XR-Aluma-Pro Gun
Ref. 804 544-B
1 Lever Arm
Using lever arm open pressure roll
with bearing as shown.
Retract wire onto spool.
2 Drive Roll
Use wire brush to clean drive roll.
Install drive roll with hex opening
down toward shaft hex, and secure
with screw.
3 Pressure Roll
Thread welding wire through gun.
Close pressure roll assembly and
idler roll (located in XR control box).
Press jog switch until wire is stick-
ing out end of contact tip.
. When changing wire size and
using an XR control box you
should change the control box
drive roll and idler. See XR
owners manual for details.
Close top cover.
Tools Needed:
5/16 in
3
2
1