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BUTTONHOLE
22
A)
BUTTONHOLE LEVER GUIDE
1.
Attach the automatic buttonhole foot
R
.
2.
Loosen the set screw
A
and leave the clearance of 2.9 mm between the spring holder
C
and slider
B
by moving the buttonhole lever guide
C
in this condition the buttonhole lever
E
should touch the spring holder
C
slightly.
3.
Tighten the set screw
A
.
B.
BUTTONHOLE SENSOR
1.
Turn the power switch on while pressing the reverse button, and then press BH1 at once.
"BH SENSOR H or L" will appear in the screen.
2.
Lower the buttonhole lever
E
. Then leaves the clearance of 1.6mm between the slider
B
and spring holder
C
.
3.
Loosen the set screw
G
and move the buttonhole sensor base plate
F
from the right to
left slowly. At the position where the screen message changes from "BH SENSOR L" to
"BH SENSOR H", tighten the set screw
G
.
4.
When the clearance between the spring holder
C
and slider
B
is:
* 1.4 mm, the screen shows "BH SENSOR H".
* 1.8 mm, the screen shows "BH SENSOR L".
