Extruder Adjustment Knob

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When assembling, thread an M3 30 MM screw onto the standoff and let it sit at the end. Use a hammer or another heavy object to tap it firmly in place. The standoff should be level with the top of the knob. Turn the screw until it's roughly 1 MM from touching the head. Apply a small drop of super glue and quickly turn the screw until it sits flush with the standoff, then stop. Insert the spring and washer, and put everything back into the extruder drive.