ESAB CUTMASTER 120
Manual 0-5380 OPERATION
4T-3
Dross
When dross is present on carbon steel, it is com-
monly referred to as either “high speed, slow speed,
or top dross”. Dross present on top of the plate is
normally caused by too great a torch to plate dis-
tance. "Top dross" is normally very easy to remove
and can often be wiped off with a welding glove.
"Slow speed dross" is normally present on the bot-
tom edge of the plate. It can vary from a light to
heavy bead, but does not adhere tightly to the cut
edge, and can be easily scraped off. "High speed
dross" usually forms a narrow bead along the bot-
tom of the cut edge and is very difficult to remove.
When cutting a troublesome steel, it is sometimes
useful to reduce the cutting speed to produce "slow
speed dross". Any resultant cleanup can be ac-
complished by scraping, not grinding.
4T.04 Hand Torch Operation
Standoff Cutting With Hand Torch
NOTE!
For best performance and parts life, always
use the correct parts for the type of opera-
tion.
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 protection. Choose
the holding technique that feels most comfort-
able and allows good control and movement.
NOTE!
The tip should never come in contact with
the workpiece except during drag cutting
operations.
2. Depending on the cutting operation, do one of
the following:
a. For edge starts, hold the torch perpendicular
to the workpiece with the front of the tip on
the edge of the workpiece at the point where
the cut is to start.
b. For standoff cutting, hold the torch 1/8 - 3/8
in (3-9 mm) from the workpiece as shown
below.
A-00024_AB
Shield Cup
Torch
Standoff Distance
1/8" - 3/8" (3 - 9mm)
Standoff Distance
3. Hold the torch away from your body.
4. Slide the trigger release toward the back of the
torch handle while simultaneously squeezing the
trigger. The pilot arc will start.
A-02986
Tr igger
Tr igger Release
5. 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 char-
acteristic of the power supply and not a
function of the torch.
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