Connection Assignment, Welding Torch Control Cable - EWM Tetrix 451 AC/DC AW FW Operating Instructions Manual

Design and function
TIG welding
Item Symbol
5
6
7
8
9
•
Insert the welding current plug on the welding torch into the welding current connection socket and
lock by turning to the right.
•
Screw welding torch shielding gas connection tightly onto the G¼" connection nipple, welding current
"-".
•
Plug the welding torch control cable plug into the welding torch control cable connection socket and
secure.
•
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).
•
Insert the cable plug on the work piece lead into the "+" welding current connection socket and lock by
turning to the right.
5.6.1.1

Connection assignment, welding torch control cable

TIG welding machines are equipped ex works with a dedicated connection socket for the welding torch
control cable (5- or 8-pole). As mobile machines offer more free space, they may even feature two control
cable connection sockets. The functionality increases with the number of poles. One of these connection
sockets may be converted or retrofitted > see 9 chapter.
TIG standard torch
50
Description 0
Connection socket, "-" welding current
TIG welding torch connection
Quick connect coupling (red)
coolant return
Quick connect coupling (blue)
coolant supply
Workpiece
Connection socket, "+" welding current
Connection for workpiece lead
TIG up/down or
potentiometer torch
TIG up/down torch with display
Figure 5-19
099-000115-EW501
20.11.2017