Design and function
MIG/MAG welding
099-005183-EW501
17.12.2010
33
5.7.3
Changing the wire feed rollers
NOTE
Unsatisfactory welding results due to faulty wire feeding!
Wire feed rollers must be suitable for the diameter of the wire and the material.
• Check the roller label to verify that the rollers are suitable for the wire diameter.
Turn or change if necessary!
• use V-Nut rollers with for steel wires and other hard wires,
• use U-Nut rollers for aluminium wires and other soft, alloyed wires.
• Slide new drive rollers into place so that the diameter of the wire used is visible on the drive roller.
• Screw the drive rollers in place with knurled screws.
Figure 5-7
