Commissioning
Shielding gas supply
Item No.: 099-004934-EWM01 59
6.9 Shielding gas supply
6.9.1 Connecting the shielding gas supply
NOTE
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").
Figure 6-5
Item Symbol Description 0
1
G¼” connecting nipple
Shielding gas connection on the pressure reducer
2 Safety chain
3 Cylinder bracket
4 Cylinder valve
5 Output side of the pressure reducer
6 Pressure reducer
7 Shielding gas cylinder
• Before connecting the pressure reducer to the gas cylinder, open the cylinder valve briefly to blow out
any dirt.
• Place the shielding gas cylinder into the relevant cylinder bracket.
• Secure the shielding gas cylinder using a securing chain.
CAUTION
Faults in the shielding gas supply.
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.
• Tighten gas hose on pressure reducer to be gas tight.
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