Design and function
TIG welding
32
099-002032-EW501
29.04.2010
5.7.2.2
Pico 300 cel pws
NOTE
For machines with pole reversal switch (PWS), the welding current polarity is changed
as follows after selecting “TIG welding process”:
• Electrode holder connection socket = welding current polarity “-” ,
• Workpiece lead connection socket = welding current polarity “+”.
Figure 5-11
Item Symbol Description
0
1
Output side of the pressure reducer
2
Welding torch
3
Connection socket, TIG welding torch
4
Workpiece
5
Connection socket, workpiece lead
• Insert the welding current plug of the welding torch into the
connection socket and lock by turning
to the right.
• Insert cable plug on the workpiece lead into the welding current socket “
” and lock by turning
to the right.
• Screw the shielding gas connection of the welding torch to the pressure reducer on the shielding gas
cylinder.
