On Thu, 28 Feb 2008 17:02:40 GMT John wrote :
A spring has broken in my back door 5 lever Yale Mortice lock. Not quite
terminal but can cause problems - the spring is there to locate a disc in
the right position to allow the key to be inserted. Without the spring the
keyhole is sometimes blocked.

Does anyone know of a source of replacement parts?

A good locksmith probably has a drawer full of spares - mine does

--
Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk