Design and function
MMA welding
5.4
MMA welding
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.
5.4.1
Connecting the electrode holder and workpiece lead
Item Symbol
1
2
3
4
•
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.
38
Description
0
Workpiece
Electrode holder
Connection socket, "-" welding current
Connection socket, "+" welding current
CAUTION
Figure 5-18
099-005221-EW501
05.09.2016