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CARE AND MAINTENANCE
339
Appendix
9
a
Press the “Needle Position” button to raise
the needle.
b
Turn the main power to OFF.
c
Remove the needle and the presser foot
holder (see pages 66 through 67).
d
Remove the flat bed attachment or the
embroidery unit if either is attached.
e
Grasp both sides of the needle plate cover,
and then slide it toward you.
a Needle plate cover
→ The needle plate cover is removed.
f
Grasp the bobbin case, and then pull it out.
a Bobbin case
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
h
Insert the bobbin case so that the S mark
on the bobbin case aligns with the z mark
on the machine.
* Align the S and z marks.
a S mark
b z mark
c Bobbin case
Note
• Do not apply oil to the bobbin case.
• If lint or dust collects on the bobbin thread
sensor, the sensor may not operate cor-
rectly.
a
b
b
a