Brother NS-40 Operation Manual page 18

j While using your left hand to hold the thread
that was passed through the bobbin-winding
thread guide, use your right hand to wind the
end of the thread clockwise around the
bobbin five or six times.
k Pass the end of the thread through the slit in
the bobbin winder seat, and then pull the
thread to the right to cut it.
a
a Slit in bobbin winder seat (with built-in
cutter)
The thread is cut to a suitable length.
CAUTION
● Be sure to cut the thread as described. If the
bobbin is wound without cutting the thread
using the cutter built into the slit in the
bobbin winder seat, the bobbin may not be
wound correctly. In addition, the thread may
become tangled in the bobbin or the needle
may bend or break when the bobbin thread
starts to run out.
l Slide the sewing speed controller to the right
to increase the bobbin winding speed and
slide to left to decrease.
a Sewing speed controller
m Press (start/stop button) once.
The bobbin starts spinning and the
thread is wound around the bobbin.
a Start/stop button
n When the bobbin winding becomes slow,
press (start/stop button) once to stop the
machine.
CAUTION
● When the bobbin winding becomes slow, stop
the machine, otherwise the sewing machine
may be damaged.
o Cut the thread, slide the bobbin winder shaft
to the left, and then remove the bobbin from
the shaft.
Memo
● When the sewing machine is started or the
handwheel is turned after winding the
thread around the bobbin, the machine will
make a clicking sound; this is not a
malfunction.
● The needle cannot move (sewing is not
possible) while the bobbin winder shaft is
moved to the right.
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