22
6.7) Presser Foot Height Adjustment
When the presser bar lifter
②
is lifted, the presser foot
①
is
normally lifted 4mm. At this time, the distance between the
rollers (up)
⑥
and (down)
⑦
is 5mm.
A. Loosen the nut
③
and unfasten the pressure adjusting
screw
④
.
B. Lift the roller (up)
⑥
with the presser bar lifter
②
.
C. Remove the rubber cap
⑤
from the face plate.
D. Slightly loosen the tightening screw
⑧
and adjust the
position of the presser bar
⑨
to set the distance between
the roller (up)
⑥
and the roller (down)
⑦
at 5mm.
E. Fasten the tightening screw
⑧
.
F. Put back the rubber cap
⑤
.
G. Adjust the puller (up) pressure with the pressure
adjusting screw
④
and fasten the nut
③
.
H. Loosen the tightening screw and move the presser bar
lifter arm to adjust the presser bar height at 4mm.
④
③
⑧
②
⑤
①
⑥
⑦
⑪
⑩
5mm
4mm
①
③
④
②
①
③
⑤
⑥
6.8) Stitch Length Adjustment
The default stitch length is 2.9mm.
A. Loosen the tightening screw
①
and remove the puller
gear cover (right)
②
.
B. Set the desired stitch length using the stitch length table
and make a new conversion gear ready.
C. Loosen the tightening screw
③
and remove the present
conversion gear
④
.
D. Replace it with a new conversion gear and fasten the
tightening screw
③
.
E. After the conversion gear replacement, adjust the needle
feed volume.
F. Press the feed adjustment button
⑤
on the arm face.
G. Turn the pulley
⑥
until the feed adjusting button
⑤
is
inserted into the groove of the stitch length conversion
cam and a click sound is heard.
H. Turn the pulley to make the stitch length marked on the
pulley in line with the punched mark.
I. Release the feed adjusting button
⑤
and check if the
pulley
⑥
is smoothly operating.
※
See the program unit operating method for step motor's stitch length adjustment (KM-360J-7E).
[Fig. 28]
[Fig. 29]
U
26
28
30
32
34
36
38
D
38
36
34
32
30
28
26
STITCH LENGTH
2.0
2.3
2.6
2.9
3.3
3.7
4.2
The stitch length may change depending on fabric type and thickness. Readjust the stitch length after
checking the sewing condition.
Caution