Dürkopp Adler D888 e-con Operating Instructions Manual page 41

Operation
Operating Instructions D888 e-con - 00.0 - 12/2023
To change the bobbin:
1. Open the hook cover
2. Swivel up the bobbin case retainer (1).
3. Remove the empty bobbin (2).
4. Insert a full bobbin (2).
Important
Insert the bobbin so that it moves in the opposite direction of
the hook when the thread is pulled out.
5. Feed the hook thread through the slot (6) in the bobbin case
retainer.
6. Pull the hook thread under the tension spring (5).
7. Feed the hook thread through the slot (3) and the thread
guide (4).
8. Pull out the thread by approx. 3 cm and cut it off.
9. Close the bobbin case retainer (1).
10. Close the hook cover.
Fig. 21: Changing the bobbin (2)
(7) - LED
Machines with automatic remaining thread monitor
If the hook thread needs to be replaced, the LED indicator lamp (7)
on the machine arm flashes blue.
Important
Each of the bobbins has a thread supply groove that is embedded
in the bobbin core.
Insert the bobbin in the hook in such a way that the thread supply
groove faces down. Otherwise, the remaining thread monitor will
not work.
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