Ron and Don,
Thanks for your help. I should caution you that I am really a neophyte with this carb. I may be confusing the throttle and the choke even. I will post my "before" picture tonight. But just for clarification until then...
The part that I am trying to describe as the choke is the piece to the far right as you look at the picture in the manual (the attachment I posted).
What I am referring to as the