Miller XT30 Manual del usuario - Página 28

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6-4.

Plasma Cutting System Practices

1/8 in.

(3.2 mm)

OM-253555 Page 24

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Complete Parts List is available at www.MillerWelds.com

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

The pilot arc starts immediately

when trigger is pressed.

Step 1. Always connect work clamp to a

clean, paint-free location on workpiece, as

close to cutting area as possible.

Step 2. Do not start pilot arc without cutting

as this shortens the service life of the nozzle

and electrode.

Step 3. Maintain approximately a 90° angle

to the workpiece surface for proper cutting

results.

Step 4. Sparks should pass through the

workpiece and out the bottom when cutting.

Step 5. If sparks flare back from surface, this

usually is an indication that either travel

speed is too fast or amperage is set too low.

Step 6. When doing extended (non-

shielded) cutting, maintain approximately

1/8 in. (3.2 mm) standoff between electrode

and surface.

Step 7. Do not put pressure on shield when

drag cutting; instead, slide shield along the

surface for proper cutting results.

Step 8. Pulling rather than pushing the torch

makes cutting easier. Use a proper guide or

template for accurate cutting operations.

Ref. 254087-A

OM-253555 Page 1