Things You'll Need
Pfaff sewing machines are a line of German-made sewing machines able to produce precision machine embroidery, quilting, and sewing. Pfaff machines can be programmed to produce various stitches and are heavy-duty enough for commercial use. Pfaff machines feature an integrated walking foot, which keeps the layers of fabric together, a plus for quilting or when working with fabrics of different thicknesses, such as when sewing a thin lining into a denim jacket.
Hold the empty bobbin case in your left hand, the open side facing you, the screw on the outside of the bobbin case at the top. In front of the screw and slightly to the left is a slit. The opening in the side of the bobbin case will be on your lower left.
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Hold the filled bobbin in your right hand with the loose end of the thread at the top. If you were to pull the thread, the bobbin would spin counter-clockwise.
Insert the bobbin into the bobbin case and slip the free end of the thread through the slit at the top of the bobbin case.
Grasp the hinged lever on the back of the bobbin case and pull it out. This will hold the bobbin fixed in the case while you maneuver it into the machine. Turn the bobbin case over and around. Now the back of the base should be facing you, with the hinged side of the lever on the right and the opening in the side of the bobbin case at the top. The free end of thread should extend from the top left of the bobbin case.
Insert the bobbin case in the machine and release the lever.
Rotate the hand wheel on the right side of the machine one full turn toward you. The needle should go down, then up, catching the bobbin thread on its return trip. Catch hold of the free end of the bobbin thread and pull until the thread is straight and smooth.