Replacing Gun Contact Tip; Changing Drive Roll And Wire Inlet Guide - Miller Millermatic 250X Owner's Manual

4-4. Replacing Gun Contact Tip

Tools Needed:

4-5. Changing Drive Roll and Wire Inlet Guide

Tools Needed:
5/64 in
7/16 in
OM-1320 Page 22
3
2
1
4
2
1
5
Y Turn Off power.
1 Nozzle
2 Contact Tip
Cut off welding wire at contact tip.
Remove nozzle.
Remove contact tip and install new
contact tip. Reinstall nozzle.
Ref. 800 797-C
1 Securing Screw
2 Inlet Wire Guide
Loosen screw. Slide tip as close to
drive rolls as possible without
touching. Tighten screw.
3 Anti-Wear Guide
Install guide as shown.
4 Drive Roll
Install correct drive roll for wire size
and type.
5 Drive Roll Securing Nut
Turn nut one click to secure drive
roll.
ST-150 227-D