Reassembling my Maslow after adding the spool upgrade parts I find it is possible, because I did it, to overtighten the nuts and or bolts when “pre-assembling” these. Result went unnoticed, and only on one. I experimented with a couple of tools to speed up the ‘nuts on - nuts off’ method of pulling the bolts in. The bolts pulled in far enough to cause bulges on the inside of the spool in three or four places, hence it will not freely slide on the router case or turn. I was considering trying to just polish off the lumps and go ahead, but I see the metal is protruding into the bulge, that is if I clean up the bulged plastic, I would still have the hardware punching into the router case.
So, if there are no cases of excessively soft plastic being used on some of these, then watch how much pressure you use to seat the nuts and bolts in the spools’.
I hope I was sufficiently clear in my explanation.
I’m ordering a new spool (2 halves) to replace this.