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3-3. Installing the bobbin
LH-4588C-7
LH-4578C-7
LH-45780B
[In the case of LH-4588C-7]
1) Set a bobbin to the bobbin case so that the
bobbin turns in the direction of arrow mark
A
.
2) Pass the thread through thread slit
❶
in the
bobbin case and draw the thread and pull
the thread so that it passes under the tension
spring.
3) Pass thread through another thread slit
❷
then, pass it through thread slit
❸
on the bob-
bin case from the inside.
4) Put the thread on bobbin threads slack pre-
venter spring
❹
.
[In the case of LH-4578C-7]
1) Set a bobbin to the bobbin case so that the
bobbin turns in the direction of arrow mark
A
.
2) Pass the thread through threading slit
❶
of
the hook. Then, keep drawing the thread and
through under the tension spring.
[In the case of LH-4578C0B]
1) Set a bobbin to the bobbin case so that the
bobbin turns in the direction of arrow mark
B
.
2) Pass the thread through threading slit
❷
of
the hook. Then, keep drawing the thread and
through under the tension spring.
❸
❶
❹
❷
A
❶
❷
A
B
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power o and ascertaining that the motor is at rest.
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