4. replacing gun contact tip, 5. changing drive roll and wire inlet guide – Hobart Welding Products IRONMAN OM-198 683C User Manual
Page 25
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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
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