gUse the cleaning brush or a vacuum cleaner to remove any lint and dust from the race and bobbin thread sensor and their surrounding area.
iInsert the tabs on the needle plate cover into the needle plate, and then slide the cover back on.
c
a
b
a
aCleaning brush b Race
c Bobbin thread sensor
Note
zDo not apply oil to the bobbin case.
zIf lint or dust collects on the bobbin thread sensor, the sensor may not operate correctly.
hInsert the bobbin case so that the U mark on the bobbin case aligns with the { mark on the race.
a
b
a
b
• Align the U and { marks.
c
aU mark b { mark
c Bobbin case
•Make sure that the indicated points are aligned before installing the bobbin case.
aNeedle plate cover
CAUTION
● Never use a bobbin case that is scratched. | 3 |
Otherwise, the upper thread may become | |
| tangled, the needle may break or |
|
| embroidering performance may suffer. |
|
| For a new bobbin case (part code: |
|
| |
| authorized service center. |
|
●Be sure that the bobbin case is correctly installed, otherwise the needle may break.
Care and Maintenance 79