Jack JK-8995 - Thread Take-Up Spring; Changing the Stroke of Thread Take-Up Spring; Changing the Pressure of Thread Take-Up Spring

15. m~~¥.J( I THREAD TAKE-UP SPRING
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(1) Changing the stroke of thread take-up spring CD ·
1) Loosen setscrew (2).
2) As you turn tension post CT) clockwise (in direction @), the stroke of the thread take-up sping will be increased.
3)
As you turn the knob counterclockwise (in dir ec tion@) , the stroke will be decreased.
(2) Changing the pressure of thread take-up spring CD ·
I) Loosen setscrew (2), and trmove thread tension (asm) (3).
2) Loosen setscrew@.
3) As you turn tensi on post Q)c lockwise (in direction @), the press ur e will be increased.
4)
As you tum the post co un terclockwise (in direction@) , the pr essure will be decreased.
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• When the thread take-up spring moves up to
midway , thread is fed out from 0 since the
tension of the thread take-up spring is high.
- 14 -
0
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• The thread take-up spring works
up to the last.