Instruction Manual 3
Page 61
...Needle is not lowered - Shorten stitch length. 59 Clean hook (see page 17 -18). * Thread is caught in bobbin case or hook. - THREAD PROBLEMS Thread bunches. * Top and bobbin threads are not drawn back under presser foot about 4" (10 cm) and hold until a few stitches are irregular....or pushed against machine feeding action. - Remove lint (see page 23). Lower presser foot. * Stitch length is bent or blunt. - STITCHING PROBLEMS Machine skips stitches. * Needle is not all the way up into its socket). * Buttonhole lever is being pulled or pushed against machine feeding...
...Needle is not lowered - Shorten stitch length. 59 Clean hook (see page 17 -18). * Thread is caught in bobbin case or hook. - THREAD PROBLEMS Thread bunches. * Top and bobbin threads are not drawn back under presser foot about 4" (10 cm) and hold until a few stitches are irregular....or pushed against machine feeding action. - Remove lint (see page 23). Lower presser foot. * Stitch length is bent or blunt. - STITCHING PROBLEMS Machine skips stitches. * Needle is not all the way up into its socket). * Buttonhole lever is being pulled or pushed against machine feeding...