Design and function
TIG welding
099-000188-EW501
22.02.2016
25
5.8
TIG welding
5.8.1
Welding torch and workpiece line connection
Prepare welding torch according to the welding task in hand (see operating instructions for the
torch).
Figure 5-6
Item Symbol
Description
0
1
Welding torch
2
Welding torch hose package
3
Connection socket, "-" welding current
Welding current lead connection for TIG welding torch
4
G¼" connecting nipple
TIG welding torch shielding gas connection
5
Connection socket, 5-pole/8-pole/12-pole (depending on variant)
5-pole:
Standard TIG torch control lead
8-pole:
TIG Up/Down or potentiometer torch control lead
12-pole:
Control lead for TIG up/down torch with display
6
Workpiece
7
Connection socket for "+" welding current
Workpiece lead connection
• Insert the welding current plug on the welding torch into the welding current connection socket and
lock by turning to the right.
• Remove yellow protective cap on G¼ connecting nipple.
• Screw welding torch shielding gas connection tightly onto the G¼" connection nipple.
• Insert the welding torch control lead plug into the connection socket for the welding torch control lead
(5-pole with standard torch, 8-pole with up/down or potentiometer torch and 12-pole with up/down
torch with LED display) and tighten.
• Insert the cable plug on the work piece lead into the "+" welding current connection socket and lock by
turning to the right.
If fitted:
• Lock connecting nipples of the cooling water tubes into the corresponding quick connect couplings:
Return line red to quick connect coupling, red (coolant return) and
supply line blue to quick connect coupling, blue (coolant supply).