[morzh]

Yep. Add to that that their plastic does not lend itself to grinding easily - I held dremel with the stone to one point for several seconds with no significant result.
I was able eventually, using a very coarse stone, grind down enough.
I decided not to be picky about the other stuff, as long as this all works.

I spent this evening trying to assemble the dial and seems like I succeeded. It all works, except I do not know how to use the pre-set dial but except for scholastic interest I don't really need it.

I will write more in the main topic.