Bill, there is a guy named Jarvis who list his lock services in the VCCA magazine. i sent him mine years ago and he fixed me up asap......I can get his contact number if you like and he was reasonable back them.....and sent me a note telling me how to take it apart if needed...and sent me a couple keys back with it.
....wait. I found it.
Jarvis Erickson
21421 8th Pl. W. Lynnwood, Wa. 98036
Phone 425-776-2804