Dürkopp Adler 650-10 Service Instructions Manual page 54

Larger thread quantity for
• thick sewing material
• high thread strengths
• large stitch lengths
Lower thread quantity for
• thin sewing material
• low thread strengths
• small stitch lengths
Proper setting
Remove the sewing material support and column cover ( p. 16) and ob-
serve the thread cycle around the hook:
The needle thread loop runs without surplus and without jumping over the
largest hook diameter.
Faults caused by an incorrect setting
• Incorrect stitch pattern
Fig. 42: Setting the thread regulator
(1) - Thread regulator
(2) - Screw
To set the thread regulator:
1. Turn the handwheel and observe the cycle of the thread around the
2. Loosen the screw (2).
3. Move the thread regulator (1):
4. Tighten the screw (2).
52
hook.
• Move the regulator to the left = greater thread quantity
• Move the regulator to the right = lower thread quantity
Individual settings
Service Instructions 650-10 - 01.0 - 08/2016