Design and function
Transport and installation
24
099-005549-EW501
12.11.2018
An unhindered shielding gas supply from the shielding gas cylinder to the welding torch is a
fundamental 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 5-7
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 gas hose connection crown nut onto the output side of the pressure regulator.
5.1.9.2 Shielding gas hose connection
Figure 5-8
Item Symbol
Description
0
1
Connecting nipple G¼, shielding gas connection
• Connect crown nut of the shielding gas line to the G¼“ connecting nipple.
