<HTML><HTML>Hola,        I think that you can no find this guide= , because piano is too old. I do not know of  this company anymore.&nbs= p;  However, a good book to read would be "Piano Servicing, Tuning and = Rebuilding" by Arthur Reblitz. This book give repair information for almost = all pianos. You can find this book for sale at <A HREF="www.alibris.com">w= ww.alibris.com</A> . Julia Reading, PA </HTML>