Design and function
MMA welding
52
099-005313-EW501
02.09.2015
5.8
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.
5.8.1
Connecting the electrode holder and workpiece lead
Figure 5-21
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.