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rotating hook bobbin case tension spring screw 梭壳紧线弹簧固定螺钉
rotating hook bobbin case tension spring 梭壳调线弹簧
rotating hook bobbin case latch spring 梭壳针舌弹簧
rotating hook bobbin case latch lever fulcrum pin 梭壳针舌杆支销
rotating hook bobbin case complete 梭壳组件
rotating hook bobbin case latch stop screw 梭壳针舌止动螺钉
rotating hook bobbin case 梭壳体
A new take-up device is adopted to re-shape the rotating hook shaft,the hook point and the bobbin case. 旋梭轴肩、梭尖以及旋梭套的形状有所改变；采用了一种新的挑线装置。
Properly thread the bobbin case. 重新正确地穿梭壳的线。
Replace the bobbin or the bobbin case. 请更换梭芯或更换梭壳。
When making the sewing machine run idle, remove the bobbin case and the bobbin since there is the possibility that thread is entangled in the hook. 让缝纫机空转时,有可能机线空绕而卷绕不到旋锁上,因此请卸下梭壳和梭芯。
It adopts link takeup lever. rotating hook, swinging needle bar,lower feed,to from the lockstitch NO.301 or 304 seam. 它彩用连杆挑线、旋梭钩线、针杆摆动、下送料、形成锁式301或304线迹。
It adopts rotating hook driving axes as repairing structure which can ensure zigzag stitch evenly and without any fault. 采用旋梭驱动轴补偿机构，可确保无故障与均匀一致的人字车缝。
Ltd.It adopts link takeup lever. rotating hook, swinging needle bar,lower feed,to from the lockstitch NO.301 or 304 seam. 它彩用连杆挑线、旋梭钩线、针杆摆动、下送料、形成锁式301或304线迹。
The thread has not been passed through the notch of the bobbin case tension spring. 底线不能进入到梭壳的线张力弹簧下面。
With two straight needles,self-lubricated vertical-axis rotating hook for catching thread looops and sliding cam thread take-up,the machine can producetwo lines of lockstitch. 本机采用双直针，立式自动加油旋梭勾线，滑杆挑线，构成二行双线锁式线迹。
Removing the bobbin case. Raise the bobbin case latch to remove the bobbin case. 扳起梭壳的卡头，进行安装和拆卸。
Removing the bobbin case。 Raise the bobbin case latch to remove the bobbin case. 扳起梭壳的卡头，进行安装和拆卸。
Pass the thread through threading slit 1 in the bobbin case, and route it under tension spring 2. 把线穿过梭壳的穿线1，然后从线张力弹簧2的下面穿过。
The thread has not been passed through the notch of the bobbin case tension spring . 底线不能进入到梭壳的线张力弹簧下面。