Where’s this spring go

Ran out of time yesterday. Trying to do my homework while at work.
69 dart front drum
Grinding
Found this spring inside drum
I believ it’s part of the self adjuster and can see it In The rock auto parts kit. Question is, so I don’t have to remove other side when I get home... orientation...and which hole. I believe it goes on the little hook on the top of the self adjuster plate to what shoe hole?
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