Miller XR-15W Manual do Proprietário - Página 24

Procurar online ou descarregar pdf Manual do Proprietário para Sistema de soldadura Miller XR-15W. Miller XR-15W 36 páginas. With quick disconnect ce, 200/400 ampere air/water push-pull welding gun

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Miller XR-15W Manual do Proprietário

7-2. Changing Gun Contact Tip

7-3. Replacing Or Cleaning Gun Drive Roll In Pistol-Grip Guns

5
3
6
OM-236297 Page 20
2
1
4
2
7
Remove nozzle
1
Nozzle
2
FasTip
Unscrew FasTip.
Install new FasTip.
!
Turn Off wire feeder and
welding power source.
1
Top Cover
2
Pressure Roll Assembly
Cut off wire where it enters
pressure roll assembly area.
3
Setscrew
4
Current Pick-Up Tab
1
This tab helps prevent burnback
caused by welding arcs inside the
contact tip. This tab may be re-
moved to provide an insulated drive
roll. (If tab is removed, a smaller di-
ameter contact tip is recom-
mended. See options in Parts List.)
Lightly grease top of tab before rein-
stalling.
5
Drive Roll
Use wire brush to clean drive roll.
Install drive roll with desired groove
down, and turn drive roll so one
setscrew faces flat side of shaft.
6
Bearing
7
Liner
Line up drive roll groove with bear-
ing groove and liner opening.
Tighten setscrews.
Thread welding wire through gun,
and adjust drive roll pressure, if
necessary (see Section 5-10).
Close and secure pressure roll
assembly. Reinstall top cover.
Tools Needed:
5/64 in.
Ref. 151 599-F / 250 982-A / 250 981-A
Ref. 150 437-A