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OM-198 683 Page 21
4-4. Replacing Gun Contact Tip
Ref. 800 797-C
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.
Tools Needed:
1
2
4-5. Changing Drive Roll and Wire Inlet Guide
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.
1
3
2
4
5
Tools Needed:
5/64 in
7/16 in
ST-150 227-D