About two months ago, Tracy asked me to do a tutorial on threading a Demorest Treadle sewing machine. My apologies for taking so long, Tracy. Click on any of the pictures to see them larger. Without further ado, the tutorial:
To thread the machine, you put the spool of thread on the machine. Then you take the thread and place it under the tension plate. You may have to loosen the tension screw to do this, or press on the thread releaser.
The round thing is the tension screw. It regulates the tension of the top thread. Make sure it’s not too tight. Press the thread releaser if you need to pull on the thread.
From here we pull the thread left, under the thread guide (not the thing I called the thread guide previously), and through the hole in the needle bar.
It should look like this now:
Okay, pull the thread down and around as shown in the next picture. The stationary piece is the thread staple; the moving “hook” is the thread controller.
Next, we hook the thread through the thread guide and thread the needle. My thread guide is not original, so yours may be different. place the thread under the presser foot.
Now onto the bobbin. This is by no means as difficult as it looks. This assumes you have a threaded bobbin. Drop the bobbin into the case with the thread sticking out.The bobbin is inside the shuttle.
Pull the thread down and it will automatically slip into place. It helps to keep a finger over the open end of the shuttle while you pull. You should feel it snap into place.
Place it into the shuttle carrier like this and stick the thread down under the body of the machine.
Holding the upper thread, turn the hand wheel away from you. A loop of the lower thread will be pulled up through the hole the needle goes through. (You can tug on the top thread to aid this process.) Pull the loop until the cut end of the thread comes out, then put both threads under the presser foot and trailing away from it.
Slide in the front slide plate and you have successfully threaded your sewing machine!
I hope this has helped you. Please do not use any of my pictures without my permission.