How to thread the bottom of an electric sewing machine

1, first open the transparent cover as shown in the picture below.

2, then take out the empty bobbin as shown in the picture.

3, use your hand to wrap a few turns of thread around the empty spool first, as shown in the picture.

4, ? After winding, put a spool of thread on the insertion rod, and then wrap the thread around the winding, as shown where your fingers are pointing.

5.? Place the bottom spool of thread on the smaller insertion rod, as shown.

6.? Take the bobbin insertion lever and wiggle it to the right. As shown in the picture.

7. Then operate the sewing machine, then the bobbin of the bottom thread is wrapping the thread automatically.

8.? Wait for the thread wrapping to finish, trigger the thread insertion lever to the left side, cut the thread, then remove the bobbin of bottom thread and put it into the bottom thread slot.

9.? Cover the lid, lead out the bottom line, the whole process is completed.