31
Thread drawing lever
5.5 – 6.0 mm
Hexagonal bolt
Hook race
View A
Thread drawing lever
View A
Hook race
Mechanical adjustment
Thread drawing lever
The standard height of the thread drawing lever from the surface of bobbin holder should be in the range of 5.5 – 6.0 mm.
1. Remove the presser foot, the needle plate and the bobbin
holder. (see page 4)
* You may use a fabric to prevent damaging the needle or
the presser foot holder when removing the needle plate.
2. Loosen the hexagonal bolt. Adjust the distance between
the lower part of thread drawing lever and the hook race
to 5.75 mm by moving the thread drawing lever up or
down.
3. Tighten the hexagonal bolt.
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