Adjust the Top Thread Tension

 

III

 

Top side f fabric

Setting mark

Top-

 

thread

 

 

Tighten

obbin

 

thread

 

For Straight Stitch

The ideal straight stitch will have threads locked between the two layers of fabric, as shown above, magnified to show detail.

If you look at the stitch, front and back, you will notice that there are no gaps, that each stitch is smooth and even.

When adjusting top thread tension, the higher the number, the tighter the top th read.

Choose the Correct Tension :

The best tension will depend on;

the stiffness and thickness of the fabric the number of fabric layers

the type of stitch

 

The top thread

The top thread

 

is too loose,

is too tight

Top side

o

taSe ' 1

of fabric

The top

thread

The bobbin

thread

appears

on the

appears on

the

underside

of the

upper surface of the

fabric.

 

fabric.

 

Tension is too loose:

The top thread shows through the bottom of the fabric. The bottom side of the stitch will feel bumpy.

Tension is too tight:

The bobbin thread will come through the top of the fabric. The top side of the stitch will feel bumpy.

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Image 23
Sears 385. 17928 owner manual Iii, Adjust the Top Thread Tension