Brother NX-250 Owner's Manual
Care and Maintenance 79
3
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g
Use the cleaning brush or a vacuum cleaner to
remove any lint and dust from the race and
bobbin thread sensor and their surrounding
area.
remove any lint and dust from the race and
bobbin thread sensor and their surrounding
area.
a Cleaning brush
b Race
c Bobbin thread sensor
b Race
c Bobbin thread sensor
Note
z Do not apply oil to the bobbin case.
z If lint or dust collects on the bobbin thread
z If lint or dust collects on the bobbin thread
sensor, the sensor may not operate correctly.
h
Insert the bobbin case so that the U mark on
the bobbin case aligns with the { mark on the
race.
the bobbin case aligns with the { mark on the
race.
• Align the U and { marks.
a U mark
b { mark
c Bobbin case
b { mark
c Bobbin case
• Make sure that the indicated points are
aligned before installing the bobbin case.
i
Insert the tabs on the needle plate cover into
the needle plate, and then slide the cover back
on.
the needle plate, and then slide the cover back
on.
a Needle plate cover
CAUTION
a
b
c
a
b
a
b
c
● Never use a bobbin case that is scratched.
Otherwise, the upper thread may become
tangled, the needle may break or
embroidering performance may suffer.
For a new bobbin case (part code:
XD1855-351), contact your nearest
authorized service center.
tangled, the needle may break or
embroidering performance may suffer.
For a new bobbin case (part code:
XD1855-351), contact your nearest
authorized service center.
● Be sure that the bobbin case is correctly
installed, otherwise the needle may break.
a