Design and function
Plasma welding
099-004854-EW501
19.02.2014
5.7.4.1 Connecting the shielding gas supply
Figure 5-5
Output side of the pressure regulator
• Place the shielding gas cylinder into the relevant cylinder bracket.
• Secure the shielding gas cylinder using a securing chain.
Before connecting the pressure regulator to the gas cylinder, open the cylinder valve
briefly to expel 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.
• 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).
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