Brother International SQ9050 Users Manual - English - Page 17

Memo ● When the sewing machine is started or the Slide the button and open the cover. b 1 2 handwheel is turned after winding the thread around the bobbin, the machine will make a clicking sound; this is not a 1 malfunction. ● The needle bar does not move when you slide the bobbin winding shaft to the right. a Cover b Slide button Lower threading Put the bobbin in so the thread comes out in c the direction shown by the arrow. Install the bobbin wound with thread. • For more details on quick-set bobbin, see page 16. CAUTION ● Winding the bobbin improperly may cause the thread tension to loosen, breaking the needle and resulting in injury. 1 2 a Wound evenly b Wound poorly ● The bobbin was designed specifically for this sewing machine. If bobbins from other models are used, the machine will not operate correctly. Use only the enclosed bobbin or bobbins of the same type (part code: SA156, SFB). Actual size 11.5 mm (7/16 inch) This model Other models • Only use bobbins that were designed to be used with this machine. CAUTION ● Make sure you set the bobbin so the thread unrolls in the right direction. If the thread unrolls in the wrong direction, it may cause the thread tension to be incorrect or break the needle. Hold the end of the thread, push the bobbin d down with your finger, and then pass the thread through the slit, as shown. • If the thread is not correctly inserted through the tension-adjusting spring of the bobbin case, it may cause incorrect thread tension (page 31). CAUTION ● Make sure you turn the power off while threading the machine. If you accidentally step on the foot controller and the machine starts to sew, you could be injured. Raise the needle to its highest position by turning a the handwheel toward you (counterclockwise) or press (needle position button) (for models equipped with the needle position button), and raise the presser foot lever. 1 a Tension-adjusting spring 15