On 8/14/2015 11:56 PM, tony duell wrote: > >> There is no play in the spindle at all. Certainly not 1/2 track worth. >> Can't wiggle it at all, no visible wobble, etc. > > Not necessarily play. Anyway, half a track width is just over 10 thou > and I am not sure I could notice that amount of runout by eye. Also > I have learnt by bitter experience to check everything, otherwise you > discover (far too late) that the thing that was 'obviously right and > didn't need checking' was the problem >
My experiment at manual centering, with the motor off, was not successful - no better results than the normal mounting process, possibly even a bit worse.