Brother SB7050E - Manual (Page 81)

Care and Maintenance 79
3
— — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
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.
a Cleaning brush
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
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.
• Align the U and { marks.
a U mark
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.
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.
● Be sure that the bobbin case is correctly
installed, otherwise the needle may break.
a