DURKOPP ADLER 550-12-33 Operating Instructions Manual page 42

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Fig. 21: Setting the hook thread quantity (2)
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(4) - Thread bobbin case retainer
(5) - Lower bar
(6) - Hole
(7) - Front edge
To set the hook thread quantity:
1. Tilt the machine head ( p. 148).
2. Loosen the screws (9).
3. Move the hook thread take-up (10).
• Tighter seam = move the front edge (7) towards the 0 on
the scale (8)
• More elastic seam = move the front edge (7) towards
the 5 on the scale (8)
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
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(8) - Scale
(9) - Screw
(10) - Hook thread take-up
Operation
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