Examples of using Upper thread in English and their translations into French
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Colloquial
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Official
Move the thread take-up lever(1) up or down to adjust the upper thread feeding amount.
adjust the upper thread tension so that a good, even stitch is obtained.
or is the upper thread tension too strong?
Top stitch is too tight This means upper thread tension is too tight.
it may be necessary to adjust the upper thread tension.
use a slightly loose upper thread tension to produce more beautiful stitches.
it is easy to balance the upper thread tension.
Pull the upper thread down until the thread tension spring q is at the same height as the base of the thread guide e,
Pull the upper thread through one of the holes on the button until it is between the button and the fabric and tightly wrap the thread around the stitches.
it could be that the upper thread is not threaded correctly.
is adjusted so that only the upper thread that is in front of looper L(2) is cut.
It is necessary for enough of an upper thread feeding amount to be maintained so that the amount of upper thread is sufficient for stitches to be formed accurately at the sewing start.
Push the needle thread with your finger until it is slightly higher than the thread tension bracket t and so that the upper thread is not pulled out.
remove the fabric from the machine leaving a longer upper thread(about 15 cm(6"))
If two of the upper thread loops(front and back) are cut, the upper thread trailing length will become too short
The thread tension will become better if the clearance between the upper thread tension bracket(1) and the lower thread tension plate(2) is reduced.
Adjust the tension for the pre-tension(4) so that the upper thread trailing length is 25 to 30 mm(spun thread) or 28 to 33 mm polyester thread. .
the needle will be moved to the right to make it easier to thread the upper thread.
take the upper thread reading from the scale at the red line side.