Jim Macklin wrote:
Google for "Bendix fuel flow divider" and you'll find pages
such as
http://www.dgsupply.com/trouble.html and especially
http://www.precisionairmotive.com/rsasupport.htm

For a full description get FAA AC 65-12A, which is on-line.
Chapter 3 has what you want.

I didn't see a diagram of the servo in the above link. I found the AC
(which was very interesting) but it seemed to only talk about carbs.

-Robert