Hikari HK2900, Инструкция по эксплуатации

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76
Loosen screw ①
，
adjust the screw ②
，
after adjusting , please be sure it won’t be
deviated while sewing.
9. Installing button rising bar
（
option parts
）
10.Machine model sorted button size
Machine model LK ‐ 1903A ‐ 301 LK ‐ 1903A ‐ 302
Button size Suitable for small size Suitable for Middle size
diameter rang
（
mm
）
Φ 10~ Φ 20 Φ 10~ Φ 20
Size
（
mm
）
Y 0~3.5 0~4.5
X 0~3.5 0~4.5
utton
Thickness
（
mm
）
2.2
（
2.7
）
2.7
（
2.2
）
* *
Parts
right MAZ155070B0 B MAZ156070B0 C
(MAZ156070B0) C
（
MAZ155070B0
）
B
1
）
Setting the button rising bar
③
on the pick ‐ up
foot installing base
①
by using the set screw
②
.
2
）
Move the button rising bar
③
to the center
of the button and make the clearance
between the center of the button and the
point of button rising bar is 3.5 ‐ 4mm,as left
figure shown.
3
）
Loosen the set screw
④，
adjusting the thread
rising amount by upward and downward
setting the button rising bar
③