iFEED 742
7 Operation
EN
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19
7.4 Setting the contact pressure
The actual setting depends on the welding conditions and the welding wire used.
9
Swivel the pressure rockers (2×) down.
10
Push the pressure lever (2×) up.
11
Fasten the safety cover with the knurled screw.
12
Close the cover.
Tab. 5
Pressure reference values
Material
Wire diameter
Pressure reference value
Steel (Fe)
0.8
1 to 2
0.9
2 to 3
1.0
2 to 3
1.2
2 to 3
1.4
3 to 4
1.6
3 to 4
Aluminum (Al)
1.0
1 to 2
1.2
1 to 2
1.6
2 to 3
1
Turn both pressure levers and set the contact
pressure to the same value on both sides.
Place the lower edge of the pressure lever on
the corresponding mark.
2
Adjust the contact pressure as required.
