I composed the message below before I saw you had already tried https://store.lathes.co.uk/print/mr555 mentioned in another thread. I think you bought the lightweight overview instead of the second one.
I couldn't find a free version but this site (https://store.lathes.co.uk/print/mr555) has two manuals, one is a lightweight 14 page overview for 20 English Pounds and the second a more comprehensive manual offering: