angle drive redux

[Paul Root <proot@iaces.com>]

So I got an angle drive in the mail today.

I assumed that it should turn by hand. Is that not the case?

The auction was for an angle drive in 'fair to good shape'.  Item sold
"AS IS" no waranty expressed or implied.

If it's not supposed to turn by hand, how to I test it before trying
to install it.

If it should turn freely, as I think it should, how do I take it apart 
to see if I can do anything about it?

Paul.