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To wind the hook thread:
1. Feed the hook thread as described above ( p. 24).
2. Insert the thread in a wavelike manner through the first 2 holes of
3. Feed the thread through the third hole of the thread guide (2) from left
4. Feed the thread to the left through the thread guide (3).
5. Feed the thread from the left to the right through the bottommost hole
Fig. 16: Winding the hook thread (2)
(4) - Winder lever
(5) - Screw
(6) - Bobbin shaft
6. Guide the thread to the winder (8).
7. Clamp the thread behind the knife (7) and tear off the loose end behind
8. Fit the bobbin on the bobbin shaft (6).
9. Turn the bobbin on the bobbin shaft (6) until the drive dog spring audibly
10. Press the winder lever (4) to the right against the bobbin - adjust the
The winding process starts and ends automatically when the bobbin
30
the thread guide (2): from left to right through the first hole and from
right to left through the second hole.
to right before feeding it clockwise around the pretension (1).
of the thread guide (3).
④
⑤
it.
clicks into place in the slot of the bobbin.
screw (5) depending on the desired fill level of the bobbin:
Screw loosened far - small filling quantity
Screw loosened slightly - large filling quantity
is full. The winder lever (4) returns to its lower position.
(7) - Knife
(8) - Winder
Operating Instructions 550-D800 - 01.0 - 05/2023
Operation
⑧
⑦
⑥
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