
– 4 –
4-5. How to take out the bobbin case
) Lft latch
1
and take out the bobbn case and
the bobbn together.
2) Hold the bobbn case by latch rased, put
t nto the shaft n the hook correctly and
release the latch.
4-6. Inserting a bobbin in a bobbin case
[LH-4168-7 and 4188-7]
) Set a bobbn to the bobbn case so that the
bobbn turns n the drecton of arrow mark A.
2) Pass the thread through thread slt
1
n the
bobbn case and draw the thread and pull
the thread so that t passes under the tenson
sprng.
3) Pass thread through another thread slt
2
then, pass t through thread slt
3
on the
bobbn case from the nsde.
4) Put the thread on bobbn threads slack
preventer sprng
4
.
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
LH-4128, 4128-7
LH-4168-7, 4188-7
[LH-4128 and 4128-7]
) Set a bobbn to the bobbn case so that the
bobbn turns n the drecton of arrow mark A.
2) Pass the thread through thread slt
1
n the
hook and draw the thread and pull t so that t
passes under the tenson sprng.
A
A
1
2
4
3
1
1