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Standard Adjustment
2 ± 1 mm
2 ± 1 mm
(22) Position of winding the needle thread at the start of sewing
Position where the top end of the needle thread trimmer is located on the right side by 2 ± 1 mm (1 to 3 mm)
from the center of the knife groove at the start of sewing
(23) Opening timing of the needle thread trimmer
The period of retaining the needle thread is 1 to 3 mm from the start of sewing. (Then, adjust the timing so
that the trimmer gradually opens.)
Needle thread
locking bracket
Lengthen
Setscrews
Shorten
b
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