Operation
Operating Manual 512/532 Version 00.0 - 12/201326
Figure 5: Replacing the hook thread bobbin
Remove the empty bobbin
1. Pull the hook cover (3) downwards.
2. Lift the bobbin housing flap (1).
3. Remove the bobbin housing upper section (2) with the
bobbin (6).
4. Remove the empty bobbin from the bobbin housing upper
section (2).
Insert a full bobbin
1. Insert the full bobbin into the bobbin housing upper section (2).
2. Feed the hook thread through the bobbin housing slot (7)
under the tensioning spring (5) into the hole (4).
3. Pull the hook thread approx. 2.5 cm out of the bobbin housing
upper (2).
The bobbin must rotate in the direction of the arrow when
pulling out the hook thread.
4. Insert the bobbin housing upper (2).
5. Close the hook cover (3).
②
(1) – Bobbin housing flap
(2) – Bobbin housing upper section
(3) – Hook cover
(4) – Hole
(5) – Tension spring
(6) – Bobbin
(7) – Bobbin housing slot
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