– 25 –
(1) When you want to change the stroke of the
thread take-up spring
1) Loosen screw
❷
. Adjust thread take-up spring
❶
by moving it in the slot.
2) Loosen screw
❹
. Adjust thread take-up spring
❸
by moving thread take-up spring adjusting
plate
❺
along thread take-up spring base
❻
.
* The LU-2810, 2810-7 and 2818-7 do not have
thread take-up spring
❸
.
(2) When you want to change the tension of
the thread take-up spring
1) To adjust the tension of thread take-up spring
❶
,
loosen nut
❼
rst. Turn spring shaft
❽
counter-
clockwise to increase the tension or clockwise
to decrease it.
After the adjustment, x the stud by tightening
nut
❼
.
2) To change the tension of thread take-up spring
❸
, loosen screw
❾
rst. Turn nut
counter-
clockwise to increase the tension or clockwise
to decrease it.
After the adjustment, x nut by tightening screw
❾
.
* The LU-2810, 2810-7 and 2818-7 do not have
thread take-up spring
❸
.
❷
❹
❻
❺
❸
❶
Decrease
Increase
❼
❶
❸
❽
❾
4-3. Thread take-up spring
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