29
Mechanical adjustment
Buttonhole lever adjustment
To prepare:
1. While pressing the needle up/down and lock stitch
buttons, turn the power switch on.
The LCD screen display "Factory adjust", then
adjusting screen will appear.
2. Turn the jog dial to select "06. Sensor".
Press the confirm button.
3. Attach the automatic buttonhole foot R.
Place a piece of paper between the presser foot and
the needle plate for easier adjustment.
Buttonhole sensor position adjustment:
1. Adjust the clearance between the stopper and the
presser foot slider to 1.6 mm.
Lower the buttonhole foot and the buttonhole lever.
2. Loosen the hexagonal socket screw until “BH lever”
shows “H”. Tighten the hexagonal socket screw slowly
until the display changes “H” to “L”.
Buttonhole lever guide adjustment:
1. Adjust the clearance between the stopper and the
presser foot slider to 2.6 mm.
Lower the buttonhole foot.
2. Lower the buttonhole lever. Loosen the setscrew of the
Buttonhole lever guide.
Adjust the buttonhole lever guide left or right so the
Buttonhole lever slightly touches to the Buttonhole foot.
Tighten the setscrew.
To check:
1. While pressing the needle up/down and lock stitch
buttons, turn the power switch on.
The LCD screen display “Factory adjust”, then
adjusting screen will appear.
2. Turn the jog dial to select “06. Sensor”.
Press the confirm button.
3. Adjust the clearance between the stopper and the
presser foot slider to 1.4 mm.
Be sure that the BH Lever indicates “H”.
Adjust the clearance between the stopper and the
presser foot slider to 1.8 mm.
Be sure that “BH Lever” indicates “L”.
If not, Adjust the buttonhole sensor position again.
4. After checking the buttonhole sensor position, Slide the
buttonhole lever so the buttonhole lever does not touch
to the buttonhole foot (Buttonhole lever should be re
leased).
Be sure that “BH Lever” indicates “L”. Move the
buttonhole lever to the right and left slightly, and the “BH
Lever” still indicates “L”.
If not, adjust the buttonhole lever guide adjustment
again.
Bobbin
Remote Cut
ZZ Plate
BH Lever
sensor
Setscrew
Buttonhole
lever guide
Hexagonal
socket screw
Clearance
Stopper
Slider
Buttonhole lever
Clearance
