This quick tutorial video will show you how to thread an industrial sewing machine. Follow these quick steps to thread an industrial sewing machine: Wind the bobbin thread and pace the bobbin in the bobbin case. Pull out 4" of thread and place the bobbin case in the hook. Now feed the top thread right to left through the eyelet bar and feed through the thread holes around the tension discs and upward through the take up. Go down through the thread guides and through the needle bar thread guide. Now go through the needle and you are ready to start sewing.