Page 252 - CTS - Sewing Technology - TP - Volume - 2-0

SEWING TECHNOLOGY - CITS

Bobbin winder (1)
Wind the Bobbin by placing the Bobbin into Bobbin winderwind around 40 meters of sewing thread.
Ensure the bobbin should not be loaded too much.
Lifting lever (2)

Hand lifter used for lifting the presser foot by hand, while the m/c in ideal condition, use the hand lifter lever.
Presser foot (3)
Presser foot mainly used for hold the fabric during stitching performance.
Knee lifter assembly (4)
Knee lifter is used for lifting the presser foot, ensure. While stitching the knee should not touch the knee lifter.
Kneelifter used for to keep the material under the presser to remove the fabric under the needle.
Stitch length dial (5)
It used to maintain the length of stitch as per the fabric. While changing the length of stitch turn the regulator with
the right hand and left hand hold the back tack lever.
Reverse lever (6)
It is a reinforcement stitch, used to increase the stitch strength in the end or beginning.
Oil gauge window (7)

It indicates the flow of oil to the internal parts of the machine.
Machine pulley (8)
The diameter of the pulley decides the speed of the sewing machine. The decreasing the size of pulley indicate
high speed of machine
Alarm display (9)
It is used to indicate the setting machine stitches and also type of setting is available
Cotton stand (10)

To hold the spool thread. Cotton thread is placed to avoid the vibration of machine.
Stop lever (11)
Stop lever is used to stop the motion of the needle.
Thread – take lever cover (12)
It is used to avoid the accident during the sewing the window glass is placed in a machine thread take up lever.
Finger guard (13)

Safe guard to prevent the finger going under the needle.
Belt cover (14)
To prevent the accident during sewing the belt has cover

TASK 2: Wind the bobbin for the lower assembly
1 While winding the bobbin ensure that power switch is off as shown in the Fig 1.

2 Place the bobbin on to the bobbin winder shaft. (Fig 1 Pt. 1 and 2)
3 Wind the thread several times around the bobbin as the direction indicated by arrow. (Fig 1 Pt:3)
4 Push the bobbin presser arm towards the bobbin. (Fig 1 Pt.4)
5 Raise the presser foot with the lifting lever. (Fig 1 Pt.5)
6 Depress the thread, lower thread winding then start. (Fig 1 Pt.6).

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CITS : Apparel - Sewing Technology - Exercise 36 CITS : Apparel - Sewing Technology - Exercise 36