Mma Welding; Connecting The Electrode Holder And Workpiece Lead - EWM Tetrix 230 DC Smart 2.0 puls TM Operating Instructions Manual

5.3

MMA welding

5.3.1

Connecting the electrode holder and workpiece lead

Risk of crushing and burns!
When changing stick electrodes there is a risk of crushing and burns!
•
Wear appropriate and dry protective gloves.
•
Use an insulated pair of tongs to remove the used stick electrode or to move welded
workpieces.
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).
Item Symbol
1
2
3
4
5
Polarity depends on the instructions from the electrode manufacturer given on the electrode
packaging.
•
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.
•
Fit yellow protective cap onto G¼" connecting nipple.
099-000239-EW501
18.05.2017
Description 0
Electrode holder
Connection socket, "-" welding current
Workpiece lead or electrode holder connection
Workpiece
Connection socket for "+" welding current
Electrode holder or workpiece lead connection
Connecting nipple G¼, shielding gas connection
Design and function
CAUTION
Figure 5-12
MMA welding
23