Dürkopp Adler 550-867 Operating Instruction page 41

Operation
Operating Instructions 550-867 - 00.0 - 11/2016
4. Open the bobbin case retainer (8) and, if applicable, remove
the empty bobbin.
5. Clean the sensor of the remaining thread monitor using
compressed air (optional,  p. 238).
6. Insert a full bobbin into the hook in such a way that the supply
groove (1) is pointing down and the rotational direction for
pulling off the thread is counterclockwise.
7. Close the bobbin case retainer (8).
8. If a barcode scanner for the bobbin barcode (3) has been
assembled, pull the bobbin by the hook thread into a position
where the bobbin barcode (3) can be scanned.
9. Enter the bobbin number (2) on the control panel or scan the
bobbin barcode (3) (optional,  p. 64).
10. Slide the hook cover (4) back to the left.
Information
The remaining thread monitor is not active unless it has been
activated under components as Light barrier winder to
check if thread on bobbin ( p. 143).
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