DURKOPP ADLER beisler 2112-5, Инструкция по эксплуатации

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Setting up the machine
34 Service Instructions 2112-5 - 00.0 - 02/2020
5. Remove the bobbin.
6. Unwind the remaining thread from the bobbin and measure the length
of the thread.
 The remaining thread length should be 0.5 m.
7. If more or less than 0.5 m of thread are remaining, the photocell must
be adjusted:
If the thread on the bobbin is sewn off over the rest length of 0.5 m without
the message
BOBBIN EMPTY
being displayed OR if the message
BOBBIN
EMPTY
is displayed even though the bobbin contains more than 0.5 m of
thread, the photocell sensitivity must be adjusted.
To adjust the sensitivity of the photocell:
1. Rotate the potentiometer at the photocell.
• To increase the sensitivity: Turn the potentiometer clockwise
• To reduce the sensitivity: Turn the potentiometer counterclockwise
7.9 Adjusting the photocell light sensitivity at the sewing
head
Fig. 22: Adjusting the photocell light sensitivity at the sewing head
(1) - Sewing material
(2) - Light beam
(3) - Photocell
(4) - Key
(5) - Key
(6) - Red LED
(7) - Green LED
(8) - Yellow LED
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