Brother International SM1400 Operation Manual - Page 17
Lower threading for, models equipped with a, quick-set bobbin
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Lower threading (for models equipped with a quick-set bobbin) Replace the bobbin cover. Put the 3 projection into the race retainer groove and push closed. 1 Install the bobbin wound with thread. This feature is only available on certain models. Follow steps 1 to 4 from "Lower 1 threading" on page 15. While lightly holding down the bobbin 2 with your right hand as shown, guide the thread through the slit (1 and 2). Then, pull the thread toward you to cut it with the cutter (3). • At this time, check that the bobbin easily rotates counterclockwise. 2 1 2 3 1 12 1 Groove 2 Projection • Start sewing after threading the lower and upper thread. When sewing gathers or darts, you can draw up the lower thread by hand so that some thread will be left over. Refer to the steps in "Drawing up the lower thread" (page 21). 1 Slit 2 Cutter (Cut the thread with the cutter.) Note ● If the thread is not correctly inserted through the tension-adjusting spring of the bobbin case, it may cause incorrect thread tension. 1 1 Tension-adjusting spring 16