I'm very new to these lathes. After getting my 9C I had to remove and check the spindle. I scoured the web and this forum but was frustrated by the lack of details on this process. So in doing it myself I documented it (I make science movies as part of my work). Please take a look and comment on any mistakes I made or things I should clarify, and I'll fix the video.
This would have greatly helped me, so I'm passing on the favor. Leave a comment here with time code on the movie for the fix.
Two things to start: I should have fastened the lathe down to the bench and second, should have oiled everything up more thoroughly before reinstalling the spindle.
Thanks! I'm busy as hell at work now and may be slow to reply here and/or fix the movie.