Shielding Gas Supply; Connecting The Shielding Gas Supply - EWM WEGA 351 Operating Instructions Manual

Commissioning

Shielding gas supply

6.9 Shielding gas supply
6.9.1

Connecting the shielding gas supply

With compact machines, the shielding gas connection is made on the machine itself; with
decompact machines, on the intermediate tube package of the wire feed (see "Intermediate tube
package connection").
Item Symbol Description
1
2
3
4
5
6
7
No dirt must be allowed to enter the shielding gas supply as this would cause blockages.
All shielding gas connections must be gastight!
• Place the shielding gas cylinder in the cylinder holder and secure it from tipping over using the
securing chain!
• Before connecting the pressure reducer to the gas cylinder, open the cylinder valve briefly to blow out
any dirt.
• Mount the pressure reducer onto the gas cylinder valve.
• Fit the gas hose and G1/4" crown nut onto the relevant connection on the pressure reducer.
• Fit the gas hose and G1/4" crown nut onto the relevant connection on the welding machine, and fit the
wire feed unit (if present on this version).
• Fit the gas hose and G¼" crown nut onto the relevant connection on the welding machine.
54
0
G¼" connecting nipple
Shielding gas connection on the pressure reducer
Safety chain
Cylinder bracket
Cylinder valve
G ¼" crown nut
Pressure reducer
Shielding gas cylinder
Figure 6-4
Item No.: 099-004934-EWM01