How To Take Out The Bobbin Case; Inserting A Bobbin In A Bobbin Case - JUKI LH-3500A Series Instruction Manual

4-10. How to take out the bobbin case

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 off and ascertaining that the motor is at rest.
❶

4-11. Inserting a bobbin in a bobbin case

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 off and ascertaining that the motor is at rest.
[LH-3568A, 3568A-7, 3588A and 3588A-7]
A
❸
❷
[LH-3528A, 3528A-7, 3578A and 3578A-7]
A
❹
❶
❶
1) Lift latch ❶ and take out the bobbin case and the
bobbin together.
2) Hold the bobbin case by latch raised, put it into
the shaft in the hook correctly and release the
latch.
1) Set a bobbin to the bobbin case so that the bob-
bin turns in the direction of arrow mark A.
2) Pass the thread through thread slit ❶ in the bob-
bin 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 bobbin case
from the inside.
4) Put the thread on bobbin threads slack preventer
spring ❹ .
1) Set a bobbin to the bobbin case so that the bob-
bin turns in the direction of arrow mark A.
2) Pass the thread through thread slit ❶ in the hook
and draw the thread and pull it so that it passes
under the tension spring.
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