WO 100 2 - ESAB
WO 100 2 - ESAB
WO 100 2 - ESAB
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GB<br />
bi16d1ea<br />
4stroke<br />
Gas preflow Slope<br />
up<br />
Functions when using 4 -stroke control of the welding torch.<br />
- 35 -<br />
Slope down Gas postflow<br />
In 4--stroke control mode, pressing the trigger switch (1) starts gas preflow (if used).<br />
At the end of the gas preflow time, the current rises to the pilot level (a few<br />
amperes), and the arc is ignited. Releasing the trigger switch (2) increases the<br />
current to the set value (as controlled by the slope up function, if in operation). When<br />
the trigger switch is next pressed (3), the current is reduced to pilot level again (as<br />
controlled by the slope down function, if in operation). Releasing the switch again (4)<br />
extinguishes the arc and starts gas postflow.<br />
Start method<br />
HF<br />
The HF function ignites the arc by means of a spark produced when the electrode is<br />
brought closer to the workpiece.<br />
LiftArct<br />
The LiftArct function ignites the arc when the electrode is brought into contact with<br />
the workpiece and then lifted away from it.<br />
Igniting the arc using the LiftArc functiont. Step 1: the electrode is held against the workpiece. Step<br />
2: the trigger switch is pressed, and a low current starts to flow. Step 3: the welder lifts the electrode<br />
from the workpiece; the arc ignites, and the current rises automatically to the set value.
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