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3-20-6
Turn the switch on and push the start button to start winding
the bobbin thread.
3-20-7
Check the winding result. If the lower part of bobbin thread
is winding much thicker (as the picture shows), turn the
screw of the bobbin winder thread guide in counter-clockwise
direction.
3-20-8
On the contrary, if the upper part of bobbin thread is winder
thicker (as the picture shows), turn the screw in clockwise
direction.
3-20-9
Check the volume for the bobbin thread.
If it is below 80% after winding, turn the screw in bobbin
winder stopper in clockwise direction.
3-20-10
If it’s too full (over 80%), turn the screw in bobbin winder
stopper in counterclockwise direction.
