Operation
Operating Instructions 650-10 - 03.0 - 08/201626
4.6 Replacing the hook thread bobbin
Fig. 7: Replacing the hook thread bobbin
CAUTION
Risk of injury from sharp and moving parts!
Cutting or crushing possible.
Switch off the machine before replacing the hook 
thread bobbin.
(1) - Bobbin housing flap
(2) - Hook cover
(3) - Bobbin
(4) - Slot
(5) - Tension spring
(6) - Hole
(7) - Bobbin housing upper section