Design and function
MMA welding
62
099-000099-EW501
29.08.2014
5.9
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.
Shielding gas connection!
During MMA welding open circuit voltage is applied at the shielding gas connection
(G¼" connecting nipple).
• Place yellow insulating cap on the G¼" connection nipple (protects against electrical
voltage and dirt).
5.9.1
Connecting the electrode holder and workpiece lead
Figure 5-30
Item Symbol
Description
0
1
Connection
socket, “-” welding current
Workpiece lead or electrode holder connection
2
Connection socket for "+" welding current
Electrode holder or workpiece lead connection
3
Electrode holder
4
Workpiece
5
G¼” connecting nipple, “-” welding current
Shielding gas connection (with yellow insulating cap) for TIG welding torch
