Setting The Needle Thread Regulator - DURKOPP ADLER 670 Operating Instructions Manual

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4.8

Setting the needle thread regulator

The needle thread regulator regulates the amount of needle thread
required for forming the stitch.
Important
An optimum sewing result is possible only when the needle thread
regulator is exactly adjusted!
Fig. 15: Setting the needle thread regulator
①
②
(1) - Screw
Proper setting
The needle thread loop slides at low tension over the thickest point
of the hook.
To check the setting of the needle thread regulator:
1. Fold open the sewing table.
 The hook and the needle thread loop are visible.
2. Turn the handwheel and perform a visual inspection of the
needle thread tension.
To set the needle thread regulator:
1. Loosen the screw (1).
2. Set the position of the needle thread regulator (2).
• To set a larger amount of needle thread:
Slide the needle thread regulator to the left
• To set a smaller amount of needle thread:
Slide the needle thread regulator to the right
3. Re-tighten the screw (1).
(2) - Needle thread regulator
Operating Instructions 670/680 - 00.0 - 01/2017
Operation