http://www.quiltingboard.com/picture...p-t164361.html
does it look like one of these?
Glen has info on refinishing - 'The Furniture Doctor' by George Grotz might be helpful - if nothing else it is a good read
Muv has at least 9 outstanding videos
http://www.quiltingboard.com/links-r...e-t155695.html While your machine will probably not look like that, the principles for cleaning are the same. Keep touch if you need more help.