>>2928507
>Is thete something originally that keeps it in place?
Some models have a screw that you can tighten to make the lever stay in place (pic rel). Yours is round so check if it can be screwed.
>The lever in the base that has marks '1' and '2' or rather the mechanism it connects to is stuck and the linkage on the bottom might be a bit bent. What is it for?
Pic? Can't understand what you mean.