JUKI LK-1901AN Instruction Manual page 78

(7) Adjusting the button support rubber
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
1
2
(8) Adjusting the button support link
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Loosen screw 1 , and move button support link 2 in the direction A to make early the opening of the
button support rubber when button clamp attaching base 3 goes up. Move it in the direction B to retard
the opening of the button support rubber. The standard adjustment is to adjust so that the button support
rubber starts opening when button clamp attaching base 3 has gone up by  mm.
3
A B
Long slit
2
To adjust the position of button support rubber asm.
1 , loosen setscrews 2 and 3 , and adjust so that
the pressing section of the button support rubber can
press the center of the button at right angles to the
button. Then tighten the setscrews.
75
－ －
1
3