Pfaff hobbylock 774 Owner's Manual - Page 10

C. OPerating the machine a. Test sewing After threading, be sure to make a test sewing before actual operation. Procedure 1. Hold the 4 threads by your left hand and turn the pulley 2 or 3 turns slowly towards you with your right hand. Checking the threads being interlocked. 2. Insert the cloth under the presser foot up to the edge of the upper cutter and start sewing slowly. b. Thread tension adjustment (Normal hemming) The correct thread tension varies depending on the fabric and type and thickness of the thread and must therefore be adjusted accordingly. By refering to the chart below it will assist you in achieving the best results. c. Dial chart for thread tension adjustment Thread Fabrics Thread L.needle Rneedle R.looper Lkioper Dial for Dial for Dial for L.needle Rneedle R.looper Dial for L.looper Presser toot Broad iply Spun Spun Spun Spun *80 *80 *80 *80 3 3 3 3 toi Denim 2plies • 4 4 3 3 NOrmal hemming Georgette 2plies • 2 2 3 3 • Narrow hemming Broad lply Spun Spun Spun Spun - *80 *80 *80 *80 3 Georgette 1 ply • . - 2 • Fold-over hemming Broad iply Spun Spun Spun Spun - *80 *80 *80 *80 3 Georgette i • • • - 2 6 3 for Roll 6 3 hemming 3 10 for Roll 3 10 hemming 9