Service manual

S-4000 BH Omron
1-48
Released 05/2010
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2. Setting the distance between the cutting space and the buttonhole edge
a) Sew one buttonhole
b) The correct distance between the cutting space and the inner side of a buttonhole is 1 mm. If
incorrect:
● loosen the screw ➎ and turn the
eccentric stud ➏ to obtain the required
distance. T
ighten the screw ➎. Sew a
few buttonholes to check the
adjustments.
3.
The buttonhole length adjustment
If the stitches in the first bar are cut or if the
distance between the first bar and the cut is too big,
follow the below mentioned steps:
● loosen the screws ➐ and move the stop ➑
to obtain the correct appearance of a
buttonhole. T
ighten the screw ➐. Sew a
few buttonholes to check the adjustment.
Note: When the knife is changed, the buttonhole
length must be changed!
4.
The knife cutting adjustment
If the first or the second row of stitches are cut, follow the below mentioned steps:
● press ke
y,
appears on the display. To enter the
programming menu, press . To scroll the lines down, press ke
y. Scroll down until
appears on the display. To change the parameter value - see
section D4.
● If the first row of stitches are cut - see picture A -
decrease the value
● If the second row of stitches are cut - see picture
B - increase the value
● if the cut will be too close to the stitches range,
after using whole range of parameters, do as
follows: se section E5 3.2 Bite adjustment in the
throat plate and knife cut
E - MACHINE ADJUSTMENTS