I just purchased a 1978 Hunter h30. One of the things that needed to be done was to clean the running rigging(gray,green,black,ugh). I attached messenger lines and cleaned the lines. While reinstalling, as luck would have it, a couple of the messengers detached. The PO couldn't help me and other pseudo experts proved to know no more than I do. They were guessing just like me. Are there any real manuals that address things like running rigging and such for the 1978 Hunters?