Page 253 - CTS - Sewing Technology - TP - Volume - 2-0
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SEWING TECHNOLOGY - CITS
7 Winding of lower thread is completed the bobbin press arm will return automatically to its position.
8 Bobbin thread has been wounded on the bobbin remove the bobbin, cut the thread with the help of the
trimmer.
Fig 1
TASK 3: Install the bobbin into rotary hook
1 Take the bobbin, open the rotary hook then place the bobbin into rotary hook.
2 Turn the Rotary hook latch to its original position.
3 Turn the machine pulley to rotate the rotary hook until the tension spring is visible.
4 Pass the thread through slit into the rotary hook and then pass it under the tension (thread) spring.
5 Pull out the thread to a length of approximately 50mm.
6 Close the slide plate.
7 Rotate the pulley and bring the bobbin thread to the top with the help of the needle. (Fig 1)
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CITS : Apparel - Sewing Technology - Exercise 36