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TROUBLESHOOTING
g
Remove any threads in the race and around the feed
dogs.
h
*
Refer to step
h
Insert the bobbin case and then attach the needle
plate.
*
Refer to steps
i
Check the condition of the needle, and then install it.
If the needle is in a poor condition, for example, if it is
bent, be sure to install a new needle.
*
Refer to "CHANGING THE NEEDLE" on page 42.
Checking Machine Operations
If the needle plate has been removed, check machine
operations to confirm that installation has been completed
correctly.
a
Turn on the machine.
b
Select Straight stitch (Middle).
Note
• Do not yet install the presser foot and thread.
c
Slowly turn the handwheel toward you
(counterclockwise), and look from all sides to check
that the needle falls at the center of the opening in the
needle plate.
a
If the needle or feed dogs contact the needle plate, the
machine may be malfunctioning; therefore, contact
your authorized Brother dealer or the nearest Brother
authorized service center.
d
Turn off the machine, and then install the bobbin and
presser foot.
Never use a scratched or damaged presser foot.
Otherwise, the needle may break, or sewing
performance may suffer.
*
Refer to "Setting the Bobbin" on page 34 and
"CHANGING THE PRESSER FOOT" on page 45.
186
on page 182.
1 Cleaning brush
2 Race
a
i
k
through
on page 182.
1 Opening in the needle
plate
2 Handwheel
e
Correctly thread the machine.
*
For details on the machine, refer to "UPPER
THREADING" on page 36.
Note
• The thread may have become tangled as a result of
incorrect upper threading. Make sure that the
machine is correctly threaded.
f
Perform trial sewing with normal fabric.
Note
• Incorrect sewing may be the result of incorrect
upper threading or sewing thin fabrics. If there are
poor results from the trial sewing, check the upper
threading or the type of fabric being used.
If the Thread Becomes Tangled Under the
Bobbin Winder Seat
If the bobbin winding starts when the thread is not passed
through the pretension disk correctly, the thread may become
tangled beneath the bobbin winder seat.
Wind off the thread according to the following procedure.
a
CAUTION
• Do not remove the bobbin winder seat even if
the thread becomes tangled under the bobbin
winder seat. The cutter in the bobbin winder
seat may cause injury.
a
Touch
to stop the bobbin winding.
b
Cut the thread with scissors near the pretension disk.
a
1 Pretension disk
1 Thread
2 Bobbin winder seat
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