Singer Heavy Duty 6800C and Roller Bag Bundle User Manual - Page 19

Important Needle Information Change the needle often. As a general rule, needles should be changed every 6-8 hours of A actual stitching time. Always use a straight needle with a sharp point and make sure B the point is not bent or damaged (A). A damaged needle (B) can cause skipped stitches, breakage or snapping of the thread. It can also damage the needle plate. Do not use asymmetrical twin needles (C), they can damage C your sewing machine. Selection Guide - Needle Size, Fabric, Thread Needle Size 70-80 (9-11) Fabric Lightweight fabrics: Fine cotton, voile, silk, muslin, interlock, tricot, jersey, crepe, polyester, chiffon, organza, organdy Thread Light duty all purpose thread 80-90 (11-14 ) 90 (14) 100 (16) Medium weight fabrics: Quilting cotton, satin, double knit, Use polyester threads on synthetic fabrics and lightweight wool, rayon, polyester, lightweight linen all-purpose or cotton thread on natural fabrics Medium weight fabrics: Firm woven, medium weight for best results. linen, cotton/polyester blend, terrycloth, chambray, double knit Heavy weight fabrics: Canvas, wool, denim, home decor, fleece, heavy knit 110 (18) Heavy weight fabrics: Coat weight wool, upholstery fabrics Heavy duty thread for needle, with all-purpose thread for the bobbin. Change the Needle Note: Before you begin changing the needle, it can be helpful to place a small piece of paper or fabric underneath the needle 1 area, over the hole in the needle plate, so that the needle doesn't accidentally fall down into the machine. 1. Loosen the needle clamp screw. If it feels tight, use the screwdriver from your accessories to aid with loosening the screw. 2. Remove the needle. 3 3. Push the new needle upwards into the needle clamp with the flat side away from you. 4. When the needle will go up no further, tighten the screw securely. 2 4 Preparations - 15 English