Brother BP2100 Operation Manual page 166

CARE AND MAINTENANCE
g
Use the cleaning brush or a vacuum cleaner
to remove any lint and dust from the race
and bobbin thread sensor and the
surrounding area.
a Cleaning brush
b Race
c Bobbin thread sensor
Note
• Do not apply oil to the bobbin case.
• If lint or dust collects on the bobbin thread
sensor, the sensor may not operate
correctly.
h
Insert the bobbin case so that the
on the bobbin case aligns with the ● mark
on the machine.
and ● marks.
* Align the
a
mark on the bobbin case
b ● mark on the machine
c Bobbin case
A-16
mark
a
b
a b
* Make sure that the indicated points are aligned
before installing the bobbin case.
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: XC8167-551 (no color on the
screw), XE8298-001 (gray, for bobbin work)),
contact your dealer or nearest authorized
dealer.
• Make sure that you fit the bobbin case
properly, otherwise the needle may break.
i
Insert the tabs on the needle plate cover
into the needle plate, and then slide the
cover back on.
Note
• If the needle plate has been removed it is
especially important to reinstall the needle
plate and tighten the screws prior to
installing the bobbin case.