- Hobart Welders Welder User Manual
A complete Parts List is available at www.HobartWelders.com
OM-230 455 Page 19
Ref. 803 640-A / 801 400-B
5-6. Sequence Of Piercing Operation
Connect work clamp to a clean, paint-free
location on workpiece, as close to cutting
area as possible.
Hold torch at an angle to
the workpiece. Press
trigger. Pilot arc starts.
Move torch to upright
position 90° to surface.
Start cutting when arc
pierces workpiece.
Maintain torch position
and continue cutting.
Release trigger. Postflow cooling
continues after releasing trigger.
Postflow must finish before
trigger will restart pilot arc.
The pilot arc starts immediately
when trigger is pressed.