SunStar HC Series User Manual page 24

Threading the sub tension adjuster
Thread between the thread guide plates and through
the hole on the axis of the thread adjustment device.
Threading the main tension adjuster
1.5-round
rotation
Rotary tension disk
Wrap the thread 1.5 times around the rotary tension
disk (V-shaped groove.)
Thread guide disk
(crosses the
center of the axis)
Wrap the thread around the detector roller one time.
Upper thread
holder plate
Thread between the upper thread holder plate. Thread
the thread guide of the needle and the needle. Fix
between the holder plate of the upper thread holding
unit.
Threading the thread detector roller
Thread detector roller
1-round rotation
Threading around the needle
[Fig.4-4]
[Fig.4-5]