Page 261 - CTS - Sewing Technology - TP - Volume - 2-0

SEWING TECHNOLOGY - CITS

Fig 1

13 Power switch 17 Knife unit
14 Knee lifter assembly 18 Thread wiper
15 CF slot Safety devices

16 Upper thread feeding device 19 Thread take-up guard cover
20 Finger guard

TASK 2: Practice winding the lower thread on Zig Zag Machine (Fig 1)
1 Turn on the power switch.
2 Place the bobbin (1) onto the bobbin winder shaft (2).
3 Wind the thread several times around the bobbin (1) in the direction indicated by the arrow.

4 Push the bobbin presser arm (3) toward the bobbin (1).
5 Raise the presser foot with the lifting lever.
6 Depress the treadle. Lower thread winding will then start.
7 Once winding of the lower thread is completed, the bobbin presser arm (3) will return automatically.
8 After the thread has been wound on, remove the bobbin and cut the thread with the knife (4).

9 Loosen the screw (5) and move the bobbin presser (6) to adjust the amount of thread wound onto the bobbin.

Fig 1

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CITS : Apparel - Sewing Technology - Exercise 36