Design and function
Transport and installation
099-005639-EW501
04.06.2020
27
An unhindered shielding gas supply from the shielding gas cylinder to the welding torch is a fun-
damental requirement for optimum welding results. In addition, a blocked shielding gas supply
may result in the welding torch being destroyed.
• Always re-fit the yellow protective cap when not using the shielding gas connection.
• All shielding gas connections must be gas tight.
5.1.9.1 Pressure regulator connection
Figure 5-8
Item Symbol Description
0
1
Pressure regulator
2
Output side of the pressure regulator
3
Shielding gas cylinder
4
Cylinder valve
• Before connecting the pressure regulator to the gas cylinder, open the cylinder valve briefly to blow
out any dirt.
• Tighten the pressure regulator screw connection on the gas bottle valve to be gas-tight.
• Screw the gas hose connection to the outlet side of the pressure regulator gas-tight.
5.1.9.2 Shielding gas hose connection
Figure 5-9
Item Symbol Description
0
1
Shielding gas cylinder / pressure regulator
2
Connection thread - G¼"
Shielding gas connection (inlet)
• Screw the gas hose connection to the shielding gas connection (inlet) on the machine gas-tight.
