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CARE AND MAINTENANCE
Memo
• If lint or dust collects on the bobbin thread sensor,
the sensor may not operate correctly.
h
Insert the bobbin case so that the mark on the
bobbin case aligns with the
a
Align the and
*
1 mark
2
mark
3 Bobbin case
*
Make sure that the indicated points are aligned
before installing the bobbin case.
CAUTION
• Never use a bobbin case that is scratched or
has a burr on it. Otherwise the upper thread
may become tangled, and the needle may
break and cause injury. For a new bobbin case,
contact your nearest authorized Baby Lock
retailer.
• Be sure that the bobbin case is correctly
installed, otherwise the needle may break and
cause injury.
i
Insert the tabs on the needle plate cover into the
needle plate, and then slide the cover back on.
j
Reattach the bobbin cover.
112
mark on the machine.
a
marks.
c
Cleaning the Bobbin Case
Thread wax and dust easily collect around the notch in the
tension spring on the bobbin case, resulting in an incorrect
thread tension. Therefore, the bobbin case should be cleaned
as necessary should tension problems arise.
When cleaning the bobbin case, use card stock or another
type of paper of similar thickness and sturdiness in order to
prevent pieces of paper tearing off and getting lodged in the
bobbin case.
a
a
f
Follow steps
to
remove the bobbin case.
b
Using a piece of paper of adequate thickness and
sturdiness, slide the paper between the tension plate
base and the tension spring and also slide the paper
behind the notch of the spring to remove any dirt or
dust.
1 Tension plate base
2 Notch
3 Paper (e.g. business card type)
4 Tension spring
Memo
• Do not bend the tension spring. In addition, do not
use anything other than recommended paper to
clean the bobbin case.
c
Use the cleaning brush to remove any lint and dust
from inside the bobbin case.
d
Replace the bobbin case and needle plate cover.
Cleaning the Cutter in the Bobbin Case Area
The cutter below the needle plate should be cleaned. If dust
or lint accumulate on the cutter, it will be difficult to cut the
thread when
(Thread cutter button) is pressed or the
automatic thread cutting function is used. Clean the cutter
when the thread is not easily cut.
a
a
Follow steps
through
remove the needle plate cover.
in "Cleaning the Race" to
e
in "Cleaning the Race" to
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