18
SPEED CONTROL
MIN MAX
7. SETTING FOR SEWING SPEED
Sewing speed is adjustable Min.1,000spm. ~ Max.2,000spm by sewing speed control knob.
Before starting the machine, set the sewing speed to your desired speed. If you adjust the sewing speed
control knob during the machine is working, the sewing speed does not changed.
NOTE: When the stitch is some jump/skip at the top speed, reduce the speed. It is one of solution.
CAUTION: Never rotate the sewing speed control knob during the machine is working.
8. SETTING FOR BUTTONHOLE AND TAPER BAR LENGTH
CAUTION: Switch off the main switch before setting.
a) Setting buttonhole length
The buttonhole length is adjustable between 14mm to 40mm. Loosen the screw (A), move the indicator
(B) to the desired length and tighten the screw (A). When you want to have maximum 40mm, loosen the
screw
①
and set the taper length to 9mm(max.), and then set the indicator (B) to 40mm.
IMPORTANT : When changing the buttonhole length, size of the cutting block must be corresponded to
the buttonhole length. See page 19 for size of cutting block.
b) Setting for taper bar length
The taper bar length is adjustable 4mm ~ 9mm. Loosen the screw
①
, move the indicator plate (C) and
tighten the screw
①
.
CUTION: Maximum buttonhole length including taper bar is 35mm. Never move the indicator (B) to
40mm.
IMPORTANT : If you want buttonhole length 20mm with taper bar 5mm (total 25mm), adjust the
indicator (B) to 25mm and indicator (C) to 20mm. In this time, size of cutting block
should be 20mm. Before actual sewing, please test the sewing with sample materials.
(A)
15
20
25
30
35
(A)
(C)
①
(B)
5
20
25mm
40
