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4. Adjusting the fine positioner when using a button which has a large recess at the center
1. Start of the fine positioning
Work attachment
Shutter plate
1. Start of the fine positioning
Normally, the fine positioning completion switch opens the shutter plate after the button has been set on
the carrier pin. When using a button which has a large recess at the center, however, the edge of the button
cannot come off the triple-pawl. As a result, the shutter cannot open due to the mechanism of the fine
positioning completion switch, and the button cannot be fed to the carrier pin. (Fig.1)
In this case, lower the carrier pin and the work attachment to allow the button to completely come off the
triple-pawl. (Fig.2) At this time, be sure to adjust the clearance between the work attachment and the
carrier pin to the value same as that provided between the work attachment and the carrier pin when they
are normally positioned (See p. 57.). Adjust the button clamp jaw lever in accordance with the button
height. [Refer to " 8) Adjusting the height of the button clamp" on page 61.]
Adjusting plate
C
Fine positioner
Button
Triple-pawl
e
Carrier pin
Fig.1
e
Lower
Fig.2
Feeder bowl
Button guide
58
−
2. End of the fine positioning
The button fails to fully come
off the triple pawl.
(The shutter does not open.)
2. End of the fine positioning
The button completely comes
off the triple pawl.
(The shutter opens.)
Adjust clearance C provided between the button guide
and the adjusting plate, by bending the button guide,
to 2 ± 0.5 mm.
−
Lower
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