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Threading the sub thread adjuster
Thread between the thread guide disk and through the
hole on the axis of the thread adjuster.
Wrap the thread around the V-shaped groove around the
detector roller (1 time).
Threading the thread detector roller
Thread guide disk
(penetrates the
center of the axis)
Thread detector roller
1-round
rotation
Threading the main thread tension adjuster
Wrap the thread 1.5 times around the rotary tension disk
(V-shaped groove.)
Let the thread pass the islet hole of the thread guide
(lower). Thread the needle holder thread guide and the
needle. Fix the upper thread in the upper thread holder
spring of the thread guide (lower).
Threading around the needle
Rotary tension disk
1.5-round rotation
Thread guide(lower)
Upper thread
holder spring
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