Tig Up/Down Torch - EWM TIG 17 GD Operating Instructions Manual

Design and function
Function specification
If the rotary gas valve is open, the shielding gas flows permanently from the welding torch (no
adjustment with a separate gas valve). The rotary valve must be opened before each welding
procedure and closed after each welding procedure.
5.5.2.3

TIG Up/Down torch

Item Symbol
1
2
TIG Up/Down torches are equipped with two torch triggers. These triggers are used to:
• switch the welding current on and off,
• reduce the current to a secondary current by tapping it,
• infinitely increase the welding current during welding (UP function) or
• infinitely decrease the welding current (DOWN function).
Tapping function: Swiftly tap the torch trigger to change the function. The set torch mode determines the
operating mode.
22
Description 0
Torch trigger
Welding current ON/OFF
Torch trigger
Up/Down function
Figure 5-5
099-011623-EW501
09.08.2021