Thread Take-Up Spring; Changing The Stroke Of Thread Take-Up Spring; Changing The Pressure Of Thread Take-Up Spring - Jack JK-8995 Manual

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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 direction@), the stroke w ill 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 tension post Q)clockwise (in direction @), the pressure will be increased.
4) As you tum the post counterclockwise (in direction@), the pressure 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.