Operating instructions - EWM Hightec Welding GmbH
Operating instructions - EWM Hightec Welding GmbH
Operating instructions - EWM Hightec Welding GmbH
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Commissioning<br />
MMA welding<br />
6.8 MMA welding<br />
CAUTION<br />
Risk of being crushed or burnt.<br />
When replacing spent or new stick electrodes<br />
• Switch off machine at the main switch<br />
• Wear appropriate safety gloves<br />
• Use insulated tongs to remove spent stick electrodes or to move welded workpieces and<br />
• Always put the electrode holder down on an insulated surface.<br />
6.8.1 Connecting the electrode holder and workpiece lead<br />
2<br />
3 1<br />
Figure 6-5<br />
Item Symbol Description 0<br />
1 Connection socket, “-” welding current<br />
Electrode holder connection<br />
2 Connection socket, “+” welding current<br />
Connection for workpiece lead<br />
3 G¼” connecting nipple, “-” welding current<br />
Shielding gas connection (with yellow insulating cap) for TIG welding torch<br />
CAUTION<br />
Shielding gas connection!<br />
During MMA welding open circuit voltage is applied at the shielding gas connection<br />
(G¼" connecting nipple).<br />
• Place yellow insulating cap on the G¼" connection nipple (protects against electrical voltage<br />
and dirt).<br />
64 Item No.: 099-000097-<strong>EWM</strong>01
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