Happy HCS-1201-30, Maintenance Manual

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Adjustment of bobbin winder
3-2-21
# Adjust if the thread is leans to one side.
1. Assemble the winder bracket ass’y tentatively.
2. Assemble the left cover with keeping the space
between shaft and the cover hole.
3. Assemble thread tension ass’y.
The marked position by arrow
should come to the center.
4. Assemble guide as tentatively.
5. Confirm that the shaft does not touch the cover
by turning motor.
(Set the empty bobbin and down the Guide.)
If the guide touches the bobbin adjust position
of the winder bracket ass’y.