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(29) Adjustment of the bobbin winder driving wheel position
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
The distance is 10 mm between the measuring plane
B
of the bobbin winder driving wheel
❶
and the
cover mounting plane
A
of the sewing machine frame
❸
.
(30) Adjustment of the bobbin winder amount
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
The position of the bobbin winder lever
❶
is based on the standard that it is 14 mm apart from the bobbin
winder shaft
❷
. 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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