Design and function
MMA welding
78
099-004833-EW501
22.04.2013
5.12 MMA
welding
CAUTION
Risk of being crushed or burnt.
When replacing spent or new stick electrodes
• Switch off machine at the main switch
• Wear appropriate safety gloves
• Use insulated tongs to remove spent stick electrodes or to move welded workpieces and
• Always put the electrode holder down on an insulated surface.
5.12.1 Connecting the electrode holder and workpiece lead
NOTE
Polarity depends on the instructions from the electrode manufacturer given on the
electrode packaging.
Figure 5-46
Item Symbol Description
0
1
Connection socket, “+” welding current
2
Connection socket, “-” welding current
3
Electrode holder
4
Workpiece
• 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.