fUse 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
c
b
aCleaning brush
bRace
cBobbin thread sensor
• Do not apply oil to the bobbin case.
Note
zIf lint or dust collects on the bobbin thread sensor, the sensor may not operate correctly.
gInsert the bobbin case so that the projection on the bobbin case aligns with the spring.
a
b
2
1
hInsert the tabs on the needle plate cover into the needle plate, and then slide the cover back on.
a
aNeedle plate cover
CAUTION
●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: XC8167- 251), contact your nearest authorized service center.
●Be sure that the bobbin case is correctly installed, otherwise the needle may break.
3
aProjection
bSpring
1
aBobbin case
