how to correctly insert the bobbin case Brother's VX-807

I wonder if anyone could help me out here. I've been sitting in front
of this machine sweating trying to put the bobbin case together. I
check online with Brothers, but they were not very helpful. I cannot
get this machine to work to do anything now. I tried several times to
put the bobbing case together. Please any kind of advice and steps to
put this together, thanks!

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