Cold start problems

Not to jump in but I have the same problem. My diaphragm is holding pressure and my spring is springy. So my question is how do you make these adjustments and how do you know when you have adjusted it correctly?

Quote:
"If diaphragm is good, you will need to make small adjustments to rod with a “U” bend connecting it to choke plate to adjust pull-off opening during a cold (overnight) start."