Stop in for a cup of coffee

There's something

Do you think the pedal just bolted to the floor? That's what this looks like

I pulled the parts numbers out of the book. Going to see if anyone is doing them.

Looks like they used a torch to make the holes for the other pedal

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Some shade tree mechanic had their hands in there.
The pivot plate should bolt thru the floor. Pedal mounts on that and pivot pin locks it together. For some reason though I believe the pedals are different.