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. CAUTION . When using the twin needle, be sure to select the twin needle setting, otherwise the needle may break or the machine may be damaged. f Select a stitch. • For details on selecting a stitch, refer to “Selecting stitching” (page 68). • For details on the stitches that can be sewn with the twin needle, refer to “Stitch Settings” (page 128). CAUTION . When using the twin needle, be sure to select an appropriate stitch, otherwise the needle may break or the machine may be damaged. Start sewing. g • For details on starting to sew, refer to “Starting to sew” (page 49). • Two lines of stitching are sewn parallel to each other. CAUTION . When changing the sewing direction, press (needle position button) to raise the needle from the fabric, and then raise the presser foot lever and turn the fabric. Using thread that winds off quickly Pulling up the bobbin thread When using thread that winds off quickly, such as transparent nylon thread or metallic thread, place the enclosed spool net over the spool before placing the spool of thread onto the spool pin. If the spool net is too long, fold it to fit the size of the spool. 1 2 3 4 1 Spool net 2 Spool 3 Spool cap 4 Spool pin When making gathers or before free-motion quilting, first pull up the bobbin thread as described below. 1 Insert the bobbin into the shuttle. • Refer to steps 1 through 5 of “Installing the bobbin” (page 22). 2 Pass the bobbin thread through the slot. Do not cut the thread with the cutter. 3 While lightly holding the upper thread with your left hand, press (needle position button) twice to raise the needle. 1 1 Needle position button • The bobbin thread is looped around the upper thread and can be pulled up. 4 Carefully pull the upper thread upward to pull out the end of the bobbin thread. Upper Threading 31 GETTING READY GETTING READY 5 Pull out about 5 cm (2 inches) of the bobbin thread under the presser foot toward the rear of the machine. 6 Reattach the bobbin cover. Insert the tab in the lower-left corner of the bobbin cover, and then lightly press down on the right side. 2 1 Replacing the Needle Replacing the Needle This section provides information on sewing machine needles. 1Needle precautions Be sure to observe the following precautions concerning the handling of the needle. Failure to observe these precautions is extremely dangerous, for example, if the needle breaks and fragments are dispersed. Be sure to read and carefully follow the instructions below. CAUTION . Only use home sewing machine needles. Use of any other needle may bend the needle or damage the machine. . Never use bent needles. Bent needles can easily break, possibly resulting in injuries. Needle types and their uses The sewing machine needle that should be used depends on the fabric and thread thickness. Refer to the following table when choosing the thread and needle appropriate for the fabric that you wish to sew. Fabric Type/Application Thread Size of Needle Type Size Medium weight fabrics Broadcloth Cotton thread 60–90 75/11–90/14 Taffeta Synthetic thread Flannel, Gabardine Silk thread 50 Thin fabrics Lawn Cotton thread 60–90 65/9–75/11 Georgette Synthetic thread Challis, Satin Silk thread 50 Thick fabrics Denim Cotton thread 30 100/16 50 90/14–100/16 Corduroy Synthetic thread 50-60 Tweed Silk thread Stretch fabrics Jersey Thread for knits 50–60 Ball point needle 75/11–90/14 (golden colored) Tricot Easily frayed fabrics Cotton thread 50–90 65/9–90/14 Synthetic thread Silk thread 50 For top-stitching Synthetic thread Silk thread 30 100/16 50–60 90/11–90/14 Replacing the Needle 33 GETTING READY GETTING READY Note . Never use a thread of weight 20 or lower. It may cause malfunctions. Memo . The smaller the thread number, the thicker the thread, and the larger the needle number, the thicker the needle. . Use the ball point needle when sewing on stretch fabrics or fabrics where skipped stitches easily occur. . Use a 90/14 to 100/16 needle with transparent nylon threads, regardless of the fabric being sewn. CAUTION . The appropriate fabric, thread and needle combinations are shown in the table on the previous page. If the combination of the fabric, thread and needle is not correct, particularly when sewing thick fabrics (such as denim) with thin needles (such as 65/9 to 75/11), the needle may bend or break. In addition, the stitching may be uneven or puckered or there may be skipped stitches. Checking the needle Sewing with a bent needle is extremely dangerous since the needle may break while the machine is being operated. Before using the needle, place the flat side of the needle on a flat surface and check that the distance between the needle and the flat surface is even. 1 2 1 Flat side 2 Needle type marking ¦ Correct needle 1 1 Flat surface ¦ Incorrect needle If the distance between the needle and the flat surface is not even, the needle is bent. Do not use a bent needle. 1 1 Flat surface Replacing the needle Replace the needle as described below. Use the screwd...