Hobart Welding Products AirForce 250ci - Manual (Page 23)

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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.
Y The pilot arc starts immediately
when trigger is pressed.