Brother International T-8420B Instruction Manual - English - Page 33

7. THREAD TENSION 7- 3. Adjusting the thread take-up amount 2928M The thread take-up amount is adjusted by how the thread is passed through the thread amount adjuster (1). Do not pass the thread through. For non-foundation specifications Do not pass the thread through the thread amount adjuster (1). Loosen the screw (2) and slide the thread amount adjuster (1) to the right-side position. For foundation specifications Pass the thread through the thread amount adjuster (1). The standard position of the thread amount adjuster (1) is when the screw (2) is in the center of the adjustment range. Center Pass the thread through. When the thread has been passed through the thread amount adjuster (1), the thread take-up amount becomes less when the thread amount adjuster (1) is moved to the right. It is better not to pass the thread through the thread amount adjuster (1): ・ When sewing heavy materials using a sewing machine with foundation specifications ・ When the thread take-up amount is not enough, such as when the stitch length is increased 2929M It is better to pass the thread through the thread amount adjuster (1): ・ When sewing with slippery threads such as synthetic yarns ・ When sewing light materials ・ When sewing with a stitch length of 2 mm or less ・ When sewing under any of the above three conditions and you would like to prevent skipped stitches, thread tightening problems such as looping, or thread breakages 27 T-8420B, 8450B, 8720B, 8750B