Baby Lock BL50A Instruction And Reference Manual page 101

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, contact your nearest authorized Baby
Lock retailer.
● Make sure that you fit the bobbin case
properly, otherwise the needle may break.
q Attach the needle plate cover according to
i
steps in "Cleaning the race" on page 90.
r Check the condition of the needle, and then
install it.
If the needle is in a poor condition, for
example, if it is bent, be sure to install a new
needle.
• Refer to "Checking the needle" on page 29
and "Replacing the needle" on page 29.
CAUTION
● Never use bent needles. Bent needles can
easily break, possibly resulting in injuries.
Note
● After completing this procedure, continue
with the following procedure in "Checking
machine operations"to check that the
machine is operating correctly.
Memo
● Since the needle may have been damaged
when the fabric was caught in the machine,
we recommend replacing it with a new one.
■ Checking machine operations
If the needle plate has been removed, check
machine operations to confirm that installation
has been completed correctly.
Turn on the machine.
a
b Select .
Note
● Do not yet install the presser foot and
thread.
c Slowly turn the handwheel toward you
(counterclockwise), and look from all sides to
check that the needle falls at the center of the
hole in the needle plate.
If the needle contacts the needle plate, remove
the needle plate, and then install it again,
m
starting with step
from the machine" on page 97.
a Hole in the needle plate
b Handwheel
d Select zigzag stitch
the stitch length and width to their maximum
settings.
• For details on changing the settings, refer to
"Adjusting the stitch length and width" on
page 40.
e Slowly turn the handwheel toward you
(counterclockwise) and check that the needle
bar and feed dogs operate correctly.
If the needle or feed dogs contact the needle
plate, the machine may be malfunctioning;
therefore, contact your nearest authorized
Baby Lock retailer.
f Turn off the machine, and then install the
bobbin and presser foot.
• Refer to "Installing the bobbin" on page 18
and "Replacing the presser foot" on page 31.
in "Removing the fabric
. At this time, increase
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