APPENDIX
eRemove the bobbin case.
Grasp the bobbin case, and then pull it out.
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aBobbin case
fUse the cleaning brush or a vacuum cleaner to remove any dust from the race and its surrounding area.
aCleaning brush
bRace
• Do not put oil on the bobbin case.
gInsert the bobbin case so that the projection on the bobbin case aligns with the spring.
hPut the tabs on the needle plate cover into the needle plate, and then slide the cover back on.
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:
●Make sure that you fit the bobbin case properly, otherwise the needle may break.
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2
12
aProjection
bSpring
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