Operation
34 Operating Instructions 669 - 00.0 - 08/2019
4.7 Setting the needle thread regulator
Fig. 12: Setting the needle thread regulator
The neelde thread regulator (1) is used to control the quantity of
the needle thread required by the stitch formation.
The best sewing results can only be ensured when using a preci-
sely adjusted needle thread regulator (1).
At the properly adjusted setting, the needle thread loop must be
able to slide over the thickest section of the hook.
To set the needle thread regulator:
1. Loosen screw (2).
2. Change the position of the needle thread regulator (1).
• Thread regulator to the left: more thread
• Thread regulator to the right: less thread
3. Tighten screw (2).
(1) - Needle thread regulator
(2) - Screw
(3) - Thread take-up lever
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