Heres what mines doing..

The bearing drops in the way..

http://i1091.photobucket.com/albums/...1107-00692.jpg

I have to flick it up with the key..

http://i1091.photobucket.com/albums/...1107-00693.jpg

Then I can wriggle the key in..

http://i1091.photobucket.com/albums/...1107-00694.jpg

Sorted...

http://i1091.photobucket.com/albums/...1107-00695.jpg

Looking at it, if I can somehow get the top bearing to stay at the top, I wont have a problem, but how?

Iv tried to get out them out but they are too big..