Traditional Culture Encyclopedia - Traditional culture - How to wear the bottom line of the old sewing machine? How to pull the thread up?
How to wear the bottom line of the old sewing machine? How to pull the thread up?
1. First, install the whole bobbin on the bobbin of the sewing machine as shown in the figure below, and then pull the thread to the left.
2. As shown in the figure below, then pull the line down along the gap on the left and tighten it.
3. As shown in the figure below, make a circle around the clamp spring, tighten the wire, and then pull the wire upward.
4. Then pass through the raised thread take-up rod, as shown in the figure below, and then pull off the line.
5. As shown in the figure below, then pass through the shackle at the bottom, and then pull the straight line down.
6. When these are put on, you can pull up the wire and fix it, as shown in the figure below.
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