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5.5 Replacing the hook thread bobbin
WARNING
Risk of injury from needle and moving parts!
Switch off the sewing machine before replacing
the hook thread bobbin.
Fig. 15: Replacing the hook thread bobbin
(1) - Bobbin
(2) - Thread end
(3) - Tensioning spring
1. Push up the bobbin housing flap (4).
2. Remove the empty bobbin.
3. Insert a full bobbin (1):
Important: Insert the bobbin (1) with the thread end (2) orient-
ed according to the picture.
4. Thread the thread through the slot (5) and slot (6).
5. Close up the bobbin housing flap (4) and fasten the thread
under the tensioning spring (3).
6. Trim the thread end according to the picture.
Operating Instructions 878-M PREMIUM - 02.0 - 02/2018
①
②
③
④
⑤
⑥
(4) - Bobbin housing flap
(5) - Slot
(6) - Slot
Operation