Adjusting The Thread Tensioning Spring; Adjusting The Spring Travel - Dürkopp Adler D867 e-con Service Instructions Manual

Adjusting the needle thread tension

11.2 Adjusting the thread tensioning spring

The thread tensioning spring holds the needle thread under tension from
the top dead center of the thread lever up to the point when the needle eye
plunges into the sewing material.
Proper setting
The thread tensioning spring does not contact the stop until the needle eye
has plunged into the sewing material.
The adjustment for the thread tensioning spring must be varied according
to the sewing material and the required sewing result.

11.2.1 Adjusting the spring travel

The spring travel between the thread guide (1) and the stop (2) has been
preset at the factory. You can change this spring travel if necessary.
Fig. 59: Adjusting the spring travel
(1) - Thread guide
(2) - Stop
To adjust the spring travel:
1. Loosen the screw (3).
2. Slide the stop (2) to adjust the spring travel.
3. Tighten the screw (3).
Service Instructions D867 e-con - 00.0 - 08/2023
①
②
• Longer spring travel: Slide the stop (2) down.
• Shorter spring travel: Slide the stop (2) up.
③
(3) - Screw
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