Bill, thanks for the pointer.
I have a shop menual and still can't get used to the idea that basically everything I need is in it. I did indeed find the linkage adjustment in Chapter 7.
The entire procedure is only 4 steps and a note. My problem is, though, that 1) the manual doesn't have step-by-step pics, and 2) I'm a beginnner and don't know the things that the manual assumes. For example, what's a mast jacket?