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(30) Adjustment of the bobbin winder driving wheel position
Standard adjustment
The distance is 10 mm between the measuring plane
B
of the bobbin winder driving wheel
1
and the
cover mounting plane
A
of the sewing machine frame
3
.
(31) Adjustment of the bobbin winder amount
Standard adjustment
The position of the bobbin winder lever
1
is based on the standard that it is 14 mm apart from the bobbin
winder shaft
2
. Try to perform bobbin winding actually and make ne adjustments in the directions of the
arrows
A
and
B
so that the amount of thread winding becomes adequate (recommended value: 80 to
90% of the bobbin).
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