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12.3 Setting the hook thread guide
Proper setting
The distance between the tensioner element and the machine arm is set
so that the bobbin is wound equally on both ends.
If, due to the position of the tensioner element, the bobbin cannot be
wound equally, the inclination of the hook thread guide must be changed.
Cover
• right arm cover ( p. 15)
Fig. 57: Setting the hook thread guide
①
②
③
(1) - Threaded pins
(2) - Bobbin
(3) - Hook thread guide
To set the hook thread guide:
1. Insert and wind on the hook thread.
If the hook thread is concentrated at one end of the bobbin:
2. Loosen the screw (5).
3. Align the tensioner element (4) so that it is central to the hook thread
4. Tighten the screw (5).
5. If the hook thread is still concentrated at one end of the bobbin, adjust
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guide (3).
the inclination of the hook thread guide (3) using the threaded pins (1).
Setting the thread system
(4) - Tensioner element
(5) - Screw
Service Instructions 969 - 06.0 - 03/2019
⑤
④
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