JUKI LK-1900A Instruction Manual page 81

(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.
q
w
(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 q, and move button support link w in the direction A to make early the opening of the button
support rubber when button clamp attaching base e 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 e has gone up by 1 mm.
e
B
A
Long slit
w
To adjust the position of button support rubber asm.
q, loosen setscrews w and e, 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.
e
75
q