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Operation
Operating Instructions 967 - 02.0 - 11/2016
Fig. 18: Setting the hook thread tension
①
(1) - Bobbin case
(2) - Adjusting screw
To set the hook thread tension:
1.
Tilt the machine head.
2.
Turn the handwheel until the bobbin case (1) has reached the
position shown above.
3.
Pull the hook thread (3) off the bobbin.
Ensure that the hook thread is, as shown above, pulled off as
close to the bobbin case (1) as possible.
4.
Turn the adjusting screw (2).
• Increase the hook thread tension: Turn the adjusting
screw (2) clockwise
• Reduce the hook thread tension: Turn the adjusting
screw (2) counterclockwise
(3) - Hook thread
③
②
39
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