Pfaff hobbylock 788 Owner's Manual - Page 42

Sewing problems and solutions These machines have been developed for easy operation, and there are no difficult adjustments to be made. Sewing problems of the kind described below may occur due to minor adjustment. and operation errors. They can easily be corrected by following the instructions below. Problem Needle breakage Cause Needle bent or point damaged Needle not fully inserted Material pulled Thread breakage Skipped stitches incorrectly threaded Thread has caught Thread tension too tight Needle not fully inserted Incorrect needle used Needle bent or point damaged Needle not fully inserted Incorrect needle used Incorrectly threaded Incorrect stitch corformation incorrect setting of thread tensions The 3- or 4-thread overedge seam has an irregular appearance, and the right looper thread has not interlocked in the seam The converter is in its left position A (see p. 18> Solution Insert new needle Insert new needle correctly (see p. 29> Do not pull material during sewing Thread corrcetly (see pp. 7-1 1 Check whether thread catches at the reel stand, etc. Regulate tension, (pp.15-16) Insert needle correctly (p. 29> Use needle system 1 30/705 H Insert new needle Insert needle correctly (p. 29> Use needle system 1 30/705 H Thread correctly (pp.7-li) Set thread tensions rectly (pp.15-iS) Set converter in its right position 8 (see p. 18> 40