Arc air gouging
CAUTION!
Risk of injury and damage from electric shock.
As soon as the mains switch is in the "I" position, the electrode in the arc air gou-
ging torch is live.
▶
Make sure the electrode does not touch any persons or electrically conduct-
ing or earthed parts (e.g. the housing, etc.).
CAUTION!
Risk of personal injury due to loud operating noise.
▶
Use suitable ear protection during arc air gouging!
1
Move the mains switch to the "I" position: all the indicators on the control
panel will briefly light up
2
Press the "Process" button to select the MMA welding process:
The welding voltage is applied to the welding socket with a three second time
lag.
If the MMA welding process is selected, any cooling unit present is automat-
ically deactivated. It is not possible to switch it on.
IMPORTANT! Under certain circumstances, it may not be possible to change
welding parameters that have been set on a control panel of a system component
(such as remote control or wirefeeder) from the control panel of the power
source.
3
In the setup menu for MMA welding, set the AAG parameter to "on";
To enter the setup menu, see page 93.
NOTE!
Settings for the break voltage and the starting current time are ignored.
4
Exit the setup menu for MMA welding
5
Press the "Parameter selection" button to select the amperage parameter.
6
Using the adjusting dial, adjust the main current according to the electrode
diameter as indicated on the electrode packaging
The amperage value is displayed in the left-hand digital display.
NOTE!
At higher amperages, guide the arc air gouging torch with both hands!
▶
Use a suitable welding helmet.
7
Open the compressed air valve on the handle of the arc air gouging torch
8
Initiate processing
The tilt angle of the carbon electrode and the gouging speed determine the
depth of an air gap.
82
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