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CAUTION
● Never use a bobbin case that is scratched,
otherwise the upper thread may become
tangled, the needle may break or sewing
performance may suffer. For a new
bobbin case (part code: XC3153-321),
contact your nearest authorized service
center.
● Make sure that you fit the bobbin case
properly, otherwise the needle may break.
q
Attach the needle plate cover according to
h
steps
r
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 "Checking the needle" (page 39) and
"Replacing the needle" (page 39).
CAUTION
● Never use bent needles. Bent needles can
easily break, possibly resulting in injuries.
Note
After completing this procedure, continue
with the following procedure in "Checking
machine operations" to check that the
machine is operating correctly.
Memo
Since the needle may have been damaged
when the fabric was caught in the machine,
we recommend replacing it with a new one.
in "Cleaning the race" (page 150).
■ 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.
03
b
Select stitch
.
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
hole in the needle plate.
If the needle contacts the needle plate, remove
the needle plate, and then install it again,
m
starting with step
from the machine" (page 156).
1
a Hole in the needle plate
b Handwheel
07
d
Select stitch
. At this time, increase the
stitch length and width to their maximum
settings.
• For details on changing the settings, refer to
"Adjusting the Stitch Width and Length"
(page 59).
e
Slowly turn the handwheel toward you
(counterclockwise) and check that the needle
bar and feed dogs operate correctly.
If the needle or feed dogs contact the needle
plate, the machine may be malfunctioning;
therefore, contact your nearest authorized
service center.
f
Turn off the machine, and then install the
bobbin and presser foot.
• Refer to "Installing the bobbin" (page 26) and
"Replacing the presser foot" (page 41).
in "Removing the fabric
2
Troubleshooting 157
4
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