What is the proper way to adjust the spool brake pressure on my Spoolmatic?
To adjust spool brake pressure, turn off wire feeder and welding power source. Grasp spool with one hand while adjusting spool brake thumbnut; when slight force is needed to turn spool, tension is set. Do not overtighten this nut (Page 12).
From the official Miller Spoolmatic 30a manual, page 12
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