Page 253 - CTS - Sewing Technology - TP - Volume - 2-0
P. 253

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)








                                                           238

                                     CITS : Apparel - Sewing Technology - Exercise 36
   248   249   250   251   252   253   254   255   256   257   258