2-6
2. Machine Assistant
Hook/Bobbin door
Hold the bobbin cover (6) on the left side and open it towards
the front.
Taking out the bobbin case
Lift the latch of the bobbin case and pull the bobbin case out of
the machine. Release the latch and take the empty bobbin out
of the bobbin case.
Thread tension
The following is valid for general sewing work:
Thread tension ok
To obtain a perfect seam appearance and durability make sure
the needle and bobbin thread tensions are correctly balanced.
Bobbin thread is visible on the top side of the fabric:
The needle thread tension is too tight or the bobbin thread ten-
sion is too loose.
The thread tension must be corrected (see page 3-4).
The top thread is visible on the wrong side of the fabric:
The needle thread tension is too loose or the bobbin thread
tension is too tight.
The thread tension must be corrected (see page 3-4).
For embroidery stitches and buttonholes the top thread
should be slightly visible on the wrong side of the fabric.
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