Adjustment of Snap-fit middle thread guide
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Chapter 10
6. Adjustment of Snap-fit middle thread guide
To adjust the stroke amount of the thread take-up spring inside the snap-fit middle thread guide, follow the
procedure below.
[How to adjust]
(1) Push the pawl with some thin-tipped stick (Fig. A), and release the pawl from the top cover and pull it to
the front (Fig. B).
Thread take-up spring
Snap-fit middle thread guide
Stick
Pawl
Fig. A
Fig. B
Top cover
UO12
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