CONTROLS
TOP TENSION CONTROL
ADJUSTING TOP TENSIONS
O
A perfect straight stitch will have
threads locked between the two
layers of fabric with no loops on
top or bottom.
Probably the most important control on your machine isthis one that regulates
your top thread tension. It consists of discs between which the thread passes.
The pressure on these discs is regulated by turning the dial on the front of
the control. The higher the number, the tighter the tension.
There are many reasons for having to reset your tension. The best tension
for one fabric may not be correct for another. The required tension depends
upon the stiffness of the fabric, thickness of the fabric, numbers of layers of
fabric being sewn, as well as the type of stitch you are making.
It is best to test the stitching on a scrap of the fabric you are using before
starting to make a garment. To adjust for the correct stitch, see next page.
0 Upper thread too tight
/I
t_ t. -
" I! =, t/
Decrease Tension
Upper thread too loose
Increase Tension
7
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