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e
Remove the bobbin case.
Grasp the bobbin case, and then pull it out.
a Bobbin case
f
Use the cleaning brush or a vacuum cleaner to
remove any lint and dust from the race and its
surrounding area.
a Cleaning brush
b Race
• Do not apply oil to the bobbin case.
g
Insert the bobbin case so that the projection
on the bobbin case aligns with the spring.
a Projection
b Spring
1
a
b
a
b
2
1
a Bobbin case
h
Insert the tabs on the needle plate cover into
the needle plate, and then slide the cover back
on.
a Needle plate cover
i
Install the flat bed attachment in its original
position.
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: XC3153-151),
contact your nearest authorized service
center.
● Be sure that the bobbin case is correctly
installed, otherwise the needle may break.
Care and Maintenance 139
1
a
4
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