Please help me wind a bobbin for a Singer 2691D(300A) industrial?

The instruction manual that came with this machine is not helpful at all. I have a lot of sewing experience, but not with industrial machines.

Can anyone recommend any online videos or diagram on how to wind a bobbin and possibly how to thread it. The threading part isn't so hard, but I would love to wind a bobbin so that I can get started.

Thanks for your help.
 
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