Operation
Operating Instructions 878-M PREMIUM - 02.0 - 02/201840
5.7 Setting the thread regulator
The thread regulator determines the tension applied to guide the
needle thread around the hook.
Proper setting:
The loop of the needle thread slides at low tension over the thickest
point of the hook.
Fig. 20: Setting the thread regulator
1. Loosen the regulator screw (1).
• To increase the tension:
Slide the thread regulator (2) to the right
• To reduce the tension:
Slide the thread regulator (2) to the left
2. Tighten the regulator screw (1).
WARNING
Risk of injury from needle and moving parts!
Switch off the sewing machine before setting the
thread regulator.
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2
1
(1) - Regulator screw (2) - Thread regulator
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