Miller Spoolmatic 30A Manuel Du Propriétaire page 11

NOTE
3-1. Removing Top Cover
3-2. Adjusting Contact Tip Position
2
1
SECTION 3 − INSTALLATION
Use weld control or welding power source Owner's Manual during gun installation.
If contact tip, liner, and drive roll groove are not correct for wire size and type, see
Section 5 to change parts as needed. See Parts List for other available contact
tips.
1
3
4
1 Top Cover
Push back and lift off as shown.
To reinstall cover, set rear of cover
in gun/feeder, and push cover back,
down, and forward until it clicks into
position.
Ref. ST-150 882-A
1 Contact Tip
2 Nozzle
Adjusting barrel changes contact
tip location from 1/16 in (1.6 mm)
out end of nozzle to 1/4 in (6.3 mm)
inside nozzle.
For aluminum welding, contact tip
should be at least 1/8 in (3.2 mm) in-
side nozzle. For steel welding, con-
tact tip should be flush with end of
nozzle.
3 Jam Nut
4 Barrel
To change contact tip location, loos-
en jam nut, and turn barrel. Tighten
jam nut.
ST-150 434
OM-1213 Page 9