Test the tension of the bobbin thread by pulling the thread end gently. There should be a slight but noticeable tension and bobbin should stay firmly in place. Leave a thread end 3 or 4 inches long extending from the bobbin case. Now open the slide plate lift the latch on the bobbin case with your thumb and forefinger and insert the bobbin case into the machine.

Polyester Spun polyester folded yarns; Sewings on almost heat set, dyed and lubricated. 7�33 tex. any fabric. Textured yarns Textured multifilament yarns; dyed and Covering seams and lubricated. 18�80 tex cut fabric edges.