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

5-3. Trigger Safety Lock

1 Trigger

1

Trigger Locked

Trigger Unlocked

801 397-A

5-4. Plasma Cutting System Practices

The pilot arc starts immediately when trigger is pressed.

Always connect work clamp to a clean,

paint-free location on workpiece, as close to

cutting area as possible.

90°

.Set correct air pressure for process: 75 PSI (517 kPa) for cutting,

55 PSI (379 kPa) for gouging.

DO NOT start pilot arc without cutting or gouging as this shortens the service life of the nozzle and electrode.

°

Sparks should pass through the workpiece

If sparks flare back from surface, this

Maintain approximately a 90 angle to the

and out the bottom when cutting.

usually is an indication that either travel

workpiece surface for proper cutting results.

 

 

speed is too fast or amperage is set too low.

 

Wt

 

1/8 in

 

 

(3.2 mm)

 

 

When doing extended (non-shielded)

DO NOT put pressure on shield when

Pulling rather than pushing the torch

cutting, maintain approximately 1/8 in

drag cutting; instead, slide shield along

makes cutting easier. Use a proper guide

standoff between electrode and surface.

the surface for proper cutting results.

or template for accurate cutting operations.

 

 

801 400-B / Ref. 802 878

OM-926 Page 18

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Hobart Welding Products 625 manual Trigger Safety Lock, Plasma Cutting System Practices, When doing extended non-shielded