Siruba HSM-2722, Instruction

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Correct
Winder spindle
5 cm thread
Clutch button
WINDING THE BOBBIN
Push bobbin winder spindle in
direction of the arrow. When bobbin
winding is completed, return spindle to
its original position.
When bobbin winding is incorrect,
release the screw of the upper thread
guide and adjust up or down until
bobbin the winding is balanced.
1. Release by pushing clutch button to
bobbin and lock by pushing it to
needle.
2. Push bobbin winder from left to right,
then it starts winding.
3. Push bobbin winder from right to left
and move clutch button to needle
sign, then it starts sewing.
Screw