Brother International PQ1600S Operation Manual - Page 18

Upper Threading for Thick Fabrics or When Using Heavier Threads For a tighter upper thread, such as when sewing thick fabrics or using heavier threads, thread the machine as described below. 1 2 6 4 7 7 3 26 8 9 3 4 5 0 A ✽ Thread tension may not be adjusted adequately if the thread does not pass correctly through the take-up spring (4). 4 16 1 8 5 1 Refer to page 15 to thread the three-holed thread guide. 9 0 A 2 Pass the thread through the thread guide (right). 3 Pass the thread clockwise around the thread tension dial. 4 Pass the thread through the thread take-up spring. 5 Pass the thread through the thread guide (lower). 6 Pass the thread through the thread guide (right) again. 7 Pass the thread through the thread take-up lever from right to left. 8 Pass the thread through the thread guide (left). 2 3 1 4 1 Screw 2 Thread guide (right) 3 Looser 4 Tighter 9 Pass the thread through the thread guide. 0 Pass the thread behind the needle bar thread guide. A Pass the thread through the needle from left to right. ✽ For details on using the needle threader, refer to page 17. The upper thread tension can be adjusted by sliding the thread guide (right) to the left or right. Loosen the screw, and then slide the thread guide (right) to the desired position. Once the thread guide is in the desired position, tighten the screw to secure the guide. General thread tension is adjusted with the thread tension dial. Refer to page 18. ✽ Use the appropriate needle for the thread or topstitch needle, when using heavier threads. Adjust stitch length and tension as needed.