Tweco Max 300 w-Merlin 3000 - Manual (Page 31)

Manual 0-2549 25 OPERATION
obstruct the gouging process if it accumulates to the
side of the gouge path. However, slag build-up can
cause inconsistencies and irregular metal removal if
large amounts of material build up in front of the arc.
The build-up is most often a result of improper travel
speed, lead angle, or standoff height.