JUKI LK-1900B series - 17) I Nclination Of The Blade Point Of The Counter Knife; 18) F Loating Amount Of The Thread Tension Disk

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(17) Inclination of the blade point of the counter knife
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
Tocutthetwothreads(needlethreadand,bobbinthread)uniformly,thebladefaceofthecounterknife
❶
is made to have an inclination of 0.2 mm.
(18) Floating amount of the thread tension disk
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Standard adjustment
Whenthesewingmachinepowersupplyisturnedoff(ATsolenoid
❶
isOFF),thegapbetweenATthread
tension discs is 0.6 to 1 mm.
Close contact
0.6 to 1 mm
0.5 mm
0.2 mm
❶
B
C