Cutmaster a40, a60 – Tweco A40-A60 CutMaster User Manual

Page 40

CUTMASTER A40, A60

OPERATION Manual 0-5120

4T-6

4. Keep the torch in contact with the workpiece

during the cutting cycle.

5. Hold the torch away from your body.

6. Slide the trigger release toward the back of the

torch handle while simultaneously squeezing

the trigger. The pilot arc will start.

A-02986

Trigger

Trigger Release

7. Bring the torch within transfer distance to the

work. The main arc will transfer to the work,

and the pilot arc will shut off.

NOTE

The gas preflow and postflow are a character-

istic of the power supply and not a function of

the torch.

Art # A-03383

Trigger

Trigger Release

8. Cut as usual. Simply release the trigger as-

sembly to stop cutting.

9. Follow normal recommended cutting practices

as provided in the power supply operator's

manual.

NOTE

When the shield cup is properly installed, there

is a slight gap between the shield cup and the

torch handle. Gas vents through this gap as part

of normal operation. Do not attempt to force the

shield cup to close this gap. Forcing the shield

cup against the torch head or torch handle can

damage components.

Piercing With Hand Torch

1. The torch can be comfortably held in one hand

or steadied with two hands. Position the hand

to press the Trigger on the torch handle. With

the hand torch, the hand may be positioned

close to the torch head for maximum control

or near the back end for maximum heat pro-

tection. Choose the technique that feels most

comfortable and allows good control and

movement.

NOTE

The tip should never come in contact with the

workpiece except during drag cutting opera-

tions.

2. Angle the torch slightly to direct blowback

particles away from the torch tip (and operator)

rather than directly back into it until the pierce

is complete.

3. In a portion of the unwanted metal start the

pierce off the cutting line and then continue the

cut onto the line. Hold the torch perpendicular

to the workpiece after the pierce is complete.

4. Hold the torch away from your body.

5. Slide the trigger release toward the back of the

torch handle while simultaneously squeezing

the trigger. The pilot arc will start.