Adjusting The Rising Amount Of The Thread Tension Disk; Adjusting The Moving And Counter Knives - JUKI MOL-254N Instruction Manual

12. Adjusting the rising amount of the thread tension disk

Widen
Narrow
❶
❷
(Thread
tension disk)
❸
❹

13. Adjusting the moving and counter knives

WARNING
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt
start of the sewing machine.
1) Remove the arm cover and confirm that thread
2) If the pin does not ride on the notch, press cam
3) In such a state as the illustration, loosen screw
(Thread
release link)
❺
1) Adjust so that the top end of the moving knife
– 48 –
release pin ❸ rides on thread release notch ❹ .
follower ❺ in the direction ⇨ by hand, make the
main shaft rotate in the normal direction to bring
to the state as shown in the illustration.
❷ in the thread release adjusting arm and move
thread release adjusting arm ❶ to the right or
left. The rising amount of the tension disk chang-
es by moving it to the right or left.
0.6 to 1.0mm
If the rising amount is small, the length
of remaining thread after thread trimming
varies. Also, if it is large, defective disk
closing after releasing the disk rising will
occur.
protrudes by 1.2 mm from the front end of the
throat plate.