Quote:
Originally Posted by gridleak
I considered lapping or fitting to make a better fit but part of the problem is that even now the castle nut goes on so far that that I have to add a washer so that the slots in the nut line up with the hole in the shaft.
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If you are using an aluminum fan then the flat washer is a good idea anyway. On a steel fan it still won't hurt to use it if it helps the castle nut to line up.
