B&S 12.5 choke linkage?

Hi. Choke linkage for B&S model 285707-0113-01 12.5 hp. I have a replacement part 216 from the parts catalog which is the choke linkage but cannot for the life of me see how to fit it or how it works. On the carb the choke lever is sprung in the normal (open) position. In order to operate the choke the lever needs to be pulled. Part 216 appears to work by pushing - and itr doesn't seem to fit anyway. Am I doing something wrong here or is it the wrong part. I have photos showing the layout on the carb. If I knew how to I could send photos!! Thanks. Paul