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Operation
Operating Instructions 868-M PREMIUM - 02.0 - 01/2018
5.
Pull the hook thread under the tension spring (3).
6.
Feed the hook thread through the slot (1) and pull it approx.
3 cm further.
7.
Close the bobbin case retainer (6).
Machines with automatic remaining thread monitor
If the hook thread needs to be replaced, the LED indicator lamps (7)
light up on the machine arm. The left light is for the left-hand hook,
and the right light is for the right-hand hook.
Fig. 20: Remaining thread monitor message
(7) - LEDs
Important
Each of the bobbins has a thread supply groove that is embedded
in the bobbin core.
8.
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.
⑦
(8) -
41
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