Pfaff 79 Owner's Manual - Page 11

.J i- '--'. ceed as o iois: .- .'.' .-.-", ,,,, fr' Replace the ordinary sewing toot by darn ing foot No. 93-102 826-91, attaching it from the rear so that spnng clip c rests on needle set screw (22). Tighten sewing foot thumb screw 116). Lower the presser bar lifter. Now drop the machine feed. On tne Pfatf 78, this is done ny removing bed cover 13i and pressing the drop feed lever down siantwise, as indicated by the white arrow. To raise the machine feed, press th s lever down and let it return to its original position On the Pfaff 79, the machine teed is dropped by simply turning the thumb screw on the underside of the free arm. To raise the ma chine feed again, turn this screw in the op posite direction. I 18 Darning sheer and soft materials is greatly facilitated by placing them in darning hoops. Draw up the bobbin thread and hold both threads lightly with your left hand wnile the first stitches are being made. Trim the threads and start stitching back and forth across the hole in sewing direction. Make sure the threads are anchored in the unworn area around the hole. Turn the fabric at right angles and sew back and forth over the preceding work with short stitches. Select the darning hoops in a size matching the darning job to be performed. If the needle thread should breaK, the upper tension is too tight.