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Drive Roll Groove Selection
Your Forney spool gun can be used with multiple welding wire sizes. It’s important to use the drive roll groove that
corresponds to the wire diameter you will use.
Always ensure that wire is being fed through the top groove of the drive roller to avoid possible birds nesting issues.
When installed in the spool gun, the top of the drive roll will display either 0.035”, or 0.047.” The number that is present
represents the size of the top groove on the drive roll:
If using 0.030” or 0.035” welding wire, the 0.035” groove should be used. This groove has been designed to
accommodate both wire diameters.
Changing the Drive Roller
To remove or install the drive roller onto your Forney spool gun, simply remove the thumb screw from the top of the drive
axle. Once this thumb screw is removed, the roller is free to slide on and off of the axle:
