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38
Fig. 19: Setting the needle thread quantity (2)
②
③
(1) - Thread lever
(2) - Screw
To set the needle thread quantity:
1.
Turn the handwheel until the thread lever (1) reaches its
bottom dead center.
2.
Loosen the screws (2) of the needle thread regulator (3).
3.
Move the needle thread regulator (3) to the correct position.
• For tight and normal seams (detail image (a)):
Feed the needle thread through the hole of the thread
lever (1) and then directly downwards.
• For elastic seams (detail image (b)):
Feed the needle thread through hole of the thread
lever (1) and then via the left bar of the needle thread
regulator (3).
4.
Tighten the screws (2) for the needle thread regulator (3).
Operating Instructions 550-12-33/34 - 00.0 - 08/2017
(a)
(b)
①
(3) - Needle thread regulator
Operation
②
③
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