Oh, damn, I just missed it.. I remember having a similar difficulty rebuilding #908.
In a message dated 12/10/10 23:17:14 Pacific Standard Time, mainpsych writes:
There's something odd about the mounting/alignment of the track selector.
Frank 1
In a message dated 12/09/10 22:14:02 Pacific Standard Time, lsf5275 writes:
In the following photo is a mistake. I have done it before but it is impossible to proceed without correction.
The second photo gives it away. Whoever exposes it first wins 1 Thargian Gronk, from my collection of gronks.
(And no, it is not the brass ground strip at the end of the capstan.)