Design and function
MMA welding
40
099-005548-EW501
27.10.2017
5.3.9
MIG/MAG automatic cut-out
The welding machine ends the ignition process or the welding process with an
• Ignition fault (no welding current flows within 5 s after the start signal).
• Arc interruption (arc is intrerupted for longer than 3 s).
5.4
MMA welding
CAUTION
Risk of crushing and burns!
When changing stick electrodes there is a risk of crushing and burns!
• Wear appropriate and dry protective gloves.
• Use an insulated pair of tongs to remove the used stick electrode or to move welded
workpieces.
5.4.1
Connecting the electrode holder and workpiece lead
Figure 5-26
Item Symbol
Description
0
1
Electrode holder
2
Workpiece
3
Connection socket for "+" welding current
Electrode holder or workpiece lead connection
4
Connection socket, “-” welding current
Electrode holder or workpiece lead connection
5
Polarity selector plug, welding current cable
• Connect to the park socket.
• Insert the polarity selection plug in the park socket and lock in place by turning to the right.
• Insert cable plug of the electrode holder into either the "+" or "-" welding current connection socket and
lock by turning to the right.
• Insert cable plug of the workpiece lead into either the "+" or "-" welding current connection socket and
lock by turning to the right.
Polarity depends on the instructions from the electrode manufacturer given on the electrode
packaging.
