I archived SOS manuals site when it was still up and running. Excellent repair info here.
Here is the download link. It is a zipped file, extraction can take a very, very long time, there are thousands of tiny files there. If you know your HTML feel free to optimize this and reupload.
https://mega.nz/file/SEgBQJiS#tEeO3yRaCzjkYmJxzCBanQAClrUifO_1uwEwf1OVM7o
ps, this place seems very dead, where has everyone moved to?