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Embed M3S square nut and M3 x 4 mm set screw into pulley. Leave set screw out far enough to permit easy gear shaft passage.

This is a piece you must be very cautious using hot air to remove strands. Thin pulley edges are quite susceptible to deformation with a hot air gun.

Multiple shaft hole diameters are supplied. Best fit is one that just slips on shaft without loose wobble nor excessive tightness. Usually about 5.20 mm will work. Note hole on flat side will likely print smaller due to elephant footing. Check fitment from top and carefully ream bottom to enable best fit without creating eccentricity

Formerly 56 tooth pulley was supplied, but changed to 54 teeth to avoid interference with print fan mounting tab.

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