The forum's own search function can give poor results on occasion.
If you don't find what you want try putting this into Google item site: http://ttr250.activeboard.com and replace item with the word or phrase you want.
They both work Steve! Although your way is easier to remember
Just checked and for the search to work best you need to wrap multiple search words in quotation marks e.g. http://ttr250.activeboard.com: "adjust valves"