beautypg.com

7. sequence of piercing operation – Hobart Welding Products AIRFORCE 700I User Manual

Page 28

background image

.

A complete Parts List is available at www.MillerWelds.com

OM-244 013 Page 24

Ref. 803 640-A / 801 400-B

5-7. 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. Slide trigger

lock back. 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.