(41) Adjustment of the bobbin winder driving wheel position
The distance is 139.5 mm between the measuring plane
cover mounting plane
(42) Adjusting the bobbin winder amount
The position of the bobbin winder lover
winder shaft
. Try to perform bobbin winding actually and make fine adjustments of the bobbin lever set
screw
in the directions of the arrows
(recommended value: 80 to 90% of the bobbin.)
14mm
Standard Adjustment
of the sewing machine frame
A
139.5mm
A
Standard Adjustment
is based on the standard that it is 14 mm apart from the bobbin
and
A
B
A
of the bobbin winder driving wheel
B
.
B
so that the amount of thread winding becomes adequate
B
– 64 –
and the