Lower Thread Tension - Bernina 880 Manual

Lower Thread Tension

⦁ hold bobbin case 1 firmly with your left hand
⦁ with your right hand, turn the hand wheel clockwise until the setting tool can
be slid over the lug at the slider
Basic value:
̶ lug of the slider matches with the marking of the bobbin carrier, or
̶ lug is shifted 1-2 points to the right, or
̶ lug is shifted 1-2 points to the left
⦁
turn lug to the left with the setting tool
►
thread tension becomes looser
⦁
turn lug to the right with the setting tool
►
thread tension becomes tighter
Change per point = 4 g.
1
⦁
bring hook into the position shown in the illustration by turning the
handwheel clockwise in order to be able to thread it properly
034791.51.04_2014-02_Manual_B880_EN
Sewing preparation
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