Brother International LK3-B432E MKII Instruction Manual - English - Page 40

10 . STANDARD ADJUSTMENTS 10-6.Adjusting the thread take-up amount At the time of shipment from the factory, the thread take-up amount (stroke) of the thread take-up lever q is adjusted as shown in the table below. You may need to adjust this setting depending on the sewing conditions to prevent the thread from pulling out at the sewing start. q Thread take-up amount (stroke) e Become less Become greater w q r B430E MarkII B431E MarkII B432E MarkII B433E MarkII spec. -1,-5 -7 -2,-3 - -1 -7 Thread takeup amount 5mm 0mm 0mm 5mm 5mm 0mm Loosen the screw w and move the stopper (3.57 nut) e to adjust the operating angle of the thread take-up solenoid r. * To reduce the thread take-up amount, move the stopper e upward. * To increase the thread take-up amount, move the stopper e downward. NOTE: Do not increase the stroke of the thread take-up lever any more than is necessary. If the sub-thread tension is too high, the needle thread length may become too short and the thread may come out of the needle. Furthermore, if the sub-thread tension is too weak, the needle thread length may become too long and the underside of the article being sewn may become untidy. 10-7 . Adjusting the movable knife q B A e w Loosen the nut w and move the connecting rod lever e to the left or right to adjust so that the V section A is aligned with the index bark B on the needle plate when the sewing machine in the stopped position and the movable knife q is moved toward the index mark. LK3-B430E-, B431E-, B432E-, B433E- Mark II 34