17
18
5.3.2) Lower thread guiding
1) Insert the bobbin in the bobbin case as shown in the picture.
2) Put the lower thread through the gap of the bobbin case and then insert the thread into the thread hole
depending on the situation.
3) Let the lower thread come out about 25mm from the thread hole.
<Picture 5-8>
Thread hole
bobbin
<Picture 5-7>
Thread hole
bobbin
bobbin case
bobbin case
1
<Picture 5-6>
* General way of lower thread guiding
- It is a way of guiding the lower thread in the
general sewing condition using cotton, nylon,
span, etc.
* Special way of lower thread guiding
- It is a way of guiding the lower thread in the
Air Bag sewing condition using special yarn for
heavy materials and yarn for coating.
Caution
From the point of the rear of the bobbin case, the bobbin should be inserted to rotate
clockwise.
5.3 Thread
5.3.1) Upper thread guiding
Position the thread take-up at the top and then guide the thread as shown in the picture.
In the case of thread guide of the needle bar, guide thread for the heavy materials as shown in the picture
①
.
Summary of Contents for SPS/F-1811 Series
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