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4-5. Bobbin replacement procedure
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
❶ ❶
❷
A
❸
C
B
❷
❸
(1) Removing the bobbin case
Open cover ❶ . Then, the bobbin can be
1)
changed.
Raise latch A of bobbin case ❸ , and remove
2)
the bobbin case ❸ and the bobbin ❷ .
Check the position of your hands and the
locations of goods before opening / clos-
ing cover ❶ so as to prevent the goods
from being caught under the cover and
to prevent bodily injury.
In addition, do not push cover ❶ with
your hands placed on it.
(2) Installing the bobbin
Set the bobbin ❷ into bobbin case ❸ in the
1)
direction shown in the figure.
Pass the thread through thread slit B of bobbin
2)
case ❸ , and pull the thread as it is. By so do-
ing, the thread will pass under the tension spring
and be pulled out from thread hole C.
3)
Pull out the thread by 50 mm from thread open-
ing C.
If the bobbin ❷ is installed in the bobbin
case orienting the reverse direction, the
bobbin thread pulling out will result in an
inconsistent state.
(3) Installing the bobbin case
1)
Place the bobbin case in the hook with its knob
A tilted and fully push it into the hook until you
hear it click.
Close cover ❶ .
2)
If it is not fully inserted, bobbin case ❸
may slip off during sewing.
– 30 –
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