Adjusting The Spring Tension - Dürkopp Adler D869 e-con Service Instructions Manual

11.2.2 Adjusting the spring tension

The factory setting for the spring tension is 90 grams.
On 1-needle machines:
Fig. 62: Adjusting the spring tension (1)
(1) - Spring balance
(2) - Scale
To adjust the spring tension:
1. Hook the spring balance (1) into the thread tensioning spring.
2. Pull on the spring balance (1) until the thread tensioning spring starts
3. Loosen the knurled nut (3).
74
①
②
moving.
Adjusting the needle thread tension
③ ④
(3) - Knurled nut
(4) - Screw
Service Instructions D869 e-con - 00.0 - 09/2023