For Rich,
Please share the link if you see fit.
http://gearedsteam.blogspot.com/2012/06/repairing-bachmann-shay-line-shaft.html (http://gearedsteam.blogspot.com/2012/06/repairing-bachmann-shay-line-shaft.html)
I also updated the Shay dis-assembly portion.
http://gearedsteam.blogspot.com/2009/08/bachmann-spectrum-shay.html (http://gearedsteam.blogspot.com/2009/08/bachmann-spectrum-shay.html)