Pfaff hobbylock 756 Owner's Manual - Page 21

13. BASIC STITCH TYPES • 4 THREAD OVERLOCK MOCK SAFETY STITCH * This machine is a four-thread overlock that uses two needles and two loopers to create a 5.7mm (7/32 inch) wide four-thread mock safety stitch. • WIDE 3 THREAD OVER LOCK STITCH * When the right needle is removed a wide 5.7mm (7/32 inch) three-thread stitch is sewn. 4 • NARROW 3 THREAD OVERLOCK STITCH * When the left needle is removed a narrow 3.5mm (9/64 inch) wide three-thread stitch is sewn. Note: The stitch width can be increased by adjust ing the knife (page 25). The left needle stitch width can be in - creased from 5.7mm (7/32inch) to 7.2mm (9/3 2inch), - The right needle stitch width can be in creased from 3.5mm (9/64inch) to 5.0mm (1 3/64inch). 114. HOW TO ADJUST THREAD TENSION * The thread tensiod dials on this machine are a one- turn system. I * As the number increases on the dial the thread tension becomes tighter. 0 = lowest tension 9 = highest tension * Be sure the machine is correctly threaded other wise proper thread tension cannot be obtained. *1 * When making adjustments to balance the tensions, it is 1) recommended that Adjustments be made in no greater than half a number at a time. 2) Sew a test sample after each adjustment. .4 S Current Setting is 1'. Adjustment would be to 1 or 2 for Y2 turn adjustment. 19