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1
b
Turn off the sewing machine.
c
Open the shuttle cover behind the flat bed
attachment at the front of the machine.
a Flat bed attachment
b Shuttle cover
d
Remove the bobbin case by pulling its latch
toward you and pulling it out from the shuttle
race.
a Bobbin case latch
e
Unwind about 5 cm (2 inches) of thread from
a full bobbin, and then insert the bobbin into
the bobbin case.
• Only use bobbins that were designed to be
used with this machine.
f
Pull the trailing thread through the slot, down
and to the left, as shown below, until it enters
the delivery eye under the tension spring.
a Tension spring
b 5 cm (2 inches)
g
Hold the bobbin case by the latch, fully insert
the bobbin case into the shuttle race, and then
release the latch.
• Make sure the bobbin case finger fits into the
notch at the top of the shuttle race.
a Bobbin case finger
b Notch
h
Close the shuttle cover.
● Make sure you set the bobbin so the thread
unrolls in the right direction. If the thread unrolls
in the wrong direction, it may cause the thread
tension to be incorrect or break the needle.
CAUTION
● Make sure that the bobbin case is properly
placed back into the machine. If it is incorrectly
installed, it will fall out from the shuttle when the
machine starts to sew.
CAUTION