686-2 pawl tension?

[caliber45]

Trying to install a new hammer (existing one is bobbed), and having trouble figuring out what creates the tension on the pawl/hand. Anyone know? Tks!

 

[HEADKNOCKER]

There's a nice pic in the FAQs toward the bottom of the first page Here..
http://smith-wessonforum.com/s-w-smithing/94072-faqs.html