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46
Information
If the machine is equipped with a remaining thread monitor, the
bobbins will come with a thread supply groove embedded in the
bobbin core. Insert these types of bobbin in the hook in such a
way that the thread supply groove faces down ( p. 69).
Otherwise, the remaining thread monitor will not work.
5.
Feed the hook thread through the slot (5) in the bobbin case
retainer.
6.
Pull the hook thread under the tension spring (4).
7.
Feed the hook thread through the slot (2) and pull it approx.
3 cm further.
8.
Close the bobbin case retainer (6).
9.
Fold the hook cover (1) closed.
4.7.2
Changing the left bobbin
Fig. 28: Changing the left bobbin
The left hook has the same design as the right hook, but is rotated
by 180°.
To change the left bobbin:
1.
Change the left bobbin following the same order as for the
right bobbin ( p. 45).
Operating Instructions 868-M - 01.0 - 12/2020
Operation
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