Pfaff coverlock 4772 Owner's Manual - Page 55

Top side 2-Thread Overedge Seam, FLATLOCK wide blue I green I pink II yellow I I viole I I I - I I -1.5 I PoH I I blue I green I pink yellow violet I -0.5 Underside Note: Attach the converter (see page 24), when sewing the 2-thread overedge seam (FLATLOCK). The needle thread is too loose or the lower looper thread (yellow) is too tight. Set the respective needle thread tension to a higher value and/or the yellow thread ten sion to a lower value. The lower looper thread (yellow) is too loose or the needle thread is too tight. Set the yellow thread tension to a higher va lue and/or the respective needle thread ten sion to a lower value. 51