Miller XR-15W Owner's Manual - Page 25
Browse online or download pdf Owner's Manual for Welding System Miller XR-15W. Miller XR-15W 36 pages. With quick disconnect ce, 200/400 ampere air/water push-pull welding gun
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7-4. Replacing Or Cleaning Gun Drive Roll Bearing In Pistol-Grip Guns
Tools Needed:
7-5. Replacing Head Tube Liner In Pistol-Grip Guns
4
Tool Needed:
5/32 in.
1
5
2
3
4
!
1
2
3
4
Remove as shown.
Use a wire brush to clean bearing.
Reinstall with washers, and tighten
screw.
Close pressure roll assembly.
Reinstall top cover.
4
2
3
.
The standard head tube liner will
accommodate wire diameters from
.030-1/16 wire size.
When changing wire size, change
gun drive roll (see Section 7-3).
1
2
3
Loosen clamp screws and remove
1
clamp.
4
Remove head tube from gun.
5
Pull liner out of head tube.
Insert new liner into head tube and
reinstall head tube onto gun.
.
Turn Off wire feeder and
welding power source.
Top Cover
Pressure Roll Assembly
Screw
Pressure Roll
Ref. 151 599−F / 250 981-A
Turn Off coolant supply before
removing
head
tube
on
water-cooled gun.
Cover
Screw
Clamp
Head Tube
Liner
A twisting motion may be need-
ed to feed liner thru head tube.
Ref. 803 917-A / 250 981-A
OM-236297 Page 21