Brother International LK3-B434E MKII Instruction Manual - English - Page 36
Thread take-up spring height, 7-6-6. Adjusting arm thread guide R, 7-6-7. Thread take-up amount
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7-6-4. Thread take-up spring height Lower Higher 7. CORRECT USE 7-6-5. Thread take-up spring tension q Stronger q Weaker Loosen the set screw q and turn the tensioner body q to adjust the thread take-up spring height. 7-6-6. Adjusting arm thread guide R Become greater Become less q w The standard position of arm thread guide Rq is the position where the screw w is in the center of the adjustable range for arm thread guide Rq. To adjust the position, loosen the screw w and then move arm thread guide Rq. * When sewing thick material, move arm thread guide Rq to the left. (The thread take-up amount will become greater.) * When sewing thin material, move arm thread guide Rq to the right. (The thread take-up amount will become less.) 7-6-7. Thread take-up amount w Become less Become greater q e Loosen the screw q and move the stopper (3.57 nut) w to adjust the operating angle of the thread take-up solenoid e. * To reduce the thread take-up amount, move the stopper w upward. * To increase the thread take-up amount, move the stopper w downward. LK3-B434E Mark II 30