Pfaff 131 Owner's Manual - Page 9

To apply the auxiliary sewing plate rctliewonaOmeorpegenan. ont. otg. csuhl. lliiadeirenCbtolapeo,nasrereietnacssstehle,isdrdstethwtbeuLaioellosflauicuddtlhxoeeisbe(jeSaneertse'heiuceusrleiengwt.pe,in,ornieeo",lasctoheetswhaicdtth. o.tn. hites Fig. 14 16 USEFUL HINTS! 1. When aarrnng place stitch reguang srew on pont c But it is quite better to use the supplied feed cove plate (fig. 14> to ovoid cutting of the soft darning yaru by the teeth of the feed dog. To assure good darning work the size of needl must match the thickness of thread used. Therefore we recommend Thread No. 30 .- 40 in connection with needle No. 80 (8 Thread No. 50 - 60 in connection with needle No. 70 (7 Thread No. 80-100 in connection with needle No. 60 (6 Darning threads being twined lighter than sewinç threads, both upper- and under tension must be essen tially loosened when darning. 2. For sewing use lustreless thread-not glazed cotton Lustreless thread is as strong as glazed cotton anc moreover is smoother and more flexible, thus pro ducing a better drawn-in stitch, which is importani when the fabric -is washed. Skipping of stitches may be caused: 1. Needle not set according to instructions. 2. If other than Pfaff Needles System 130 are used. This needle is produced meticulously according to our prescriptions and examined. 3. Needle being bent or thread used too fine. Thread breaking may be caused: 1. For the above three reasons. 2. The tension being too loose. 3. Using bad or knotty thread. - 17