Brother LS-30 User Manual
Filling the bobbin, Threading the needle, Thread tension
A
Filling the bobbin
Place the thread spool on the spool pin and pass the
thread around the bobbin winder thread guide.
Pass the thread through
the hole on the bobbin
from inside, and slide the
winding shaft to the right.
While holding the end of
the thread, depress the
foot controller.
When the bobbin is full, it
will stop winding.
Cut the thread, slide the
winding shaft to the left
and remove the bobbin.
Hold the bobbin case as
shown, insert the bobbin
with the thread coming
from the bottom toward
the top and the thread tail
hanging out of the bobbin
case.
Pull the thread tail into the bobbin
case groove, under the spring clip
and into the thread guide hole.
Holding the bobbin case
by the latch align the finger
with the top opening of
the shuttle race , insert
the case into the shuttle
race and release the latch.
The latch should hold the
bobbin case in place.
Raise the needle to its
highest position and
remove the bobbin case by
pulling the latch.
B
Threading the needle
Raise the presser foot lifter.
Raise the thread take-
up lever to its highest
position by turning the
balance hand wheel.
Pass the thread through the thread guide and down the right
channel on the front of the machine.
Place the thread spool
on the spool pin.
Pass the thread into the thread tension discs or *behind the
thread tension dial from the right to the left.
Grasp the thread on both
sides of the tension disc
and pull to ensure it is in
place.
Guide the thread up the left channel, clear to the back of the opening
around the take-up lever and back down the left side of the channel to
thread the take-up lever.
Thread the needle from
front to back and pull out
about 2” of thread.
C
Thread tension
Upper thread tension is too tight.
(Locks appear on the surface of the fabric.)
Decrease the tension by turning the dial to a lower number.
Upper tension is too loose.
(Locks appear on the reverse side of the fabric.)
Increase the tension by turning the dial a higher number.
∗If these actions do not correct the problem, please rethread the machine using step A and B.
Correct thread tension
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