–18–
17. THREAD TAKE-UP SPRING
(1) When you want to change the stroke of the
thread take-up spring
1) Loosenscrew
❷
.Adjustthreadtake-upspring
❶
bymovingitintheslot.
2) Loosenscrew
❹
.Adjustthreadtake-upspring
❸
bymovingthreadtake-upspringadjusting
plate
❺
alongthreadtake-upspringbase
❻
.
* The LU-2810 and -2810-7 do not have thread
take-up spring
❸
.
(2) When you want to change the tension of
the thread take-up spring
1) Toadjustthetensionofthreadtake-upspring
❶
,
loosennut
❼
rst.Turnspringshaft
❽
counter-
clockwisetoincreasethetensionorclockwise
todecreaseit.
Aftertheadjustment,xthestudbytightening
nut
❼
.
2) Tochangethetensionofthreadtake-upspring
❸
,loosenscrew
❾
rst.Turnnut
counter-
clockwisetoincreasethetensionorclockwise
todecreaseit.
Aftertheadjustment,xnutbytighteningscrew
❾
.
* The LU-2810 and -2810-7 do not have thread
take-up spring
❸
.
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
❷
❹
❻
❺
❸
❶
Decrease
Increase
❼
❶
❸
❽
❾