Thread Tension; Bringing Up The Lower Thread - Silvercrest IAN 100137 Bedienungs- Und Sicherheitshinweise

Getting ready

Thread tension

1
2
3

Bringing up the lower thread

80 GB / IE
Upper thread tension (A)
Basic upper thread tension setting:
"AUTO"
To increase the tension, turn the dial to
the next higher number. To reduce the
tension, turn the dial to the next lower
number.
1. Normal thread tension
2. Upper thread tension too loose
3. Upper thread tension too tight
Lower thread tension (B)
Note:
The bobbin tension is adjusted
correctly during manufacturing,
therefore no changes are necessary.
To test the bobbin thread tension, the full
bobbin is placed in the bobbin case. The
bobbin case and gripper are then
suspended by the end of the thread. If the
tension is correct, the thread will unwind
by about 5 to 10 cm. when gently swung
and will then remain suspended. If the full
bobbin case unwinds, the tension is too
slack. If the tension is too tight, it hardly
unwinds or does not unwind at all. To
adjust, use the small screwdriver (I).
Hold the end of the upper thread with the
left hand. Turn the handwheel (21) in the
anticlockwise direction until the needle is
again raised (a complete revolution).
Pull on the upper thread to bring the
lower thread up through the stitch plate
hole. Lay both threads to the back under
the presser foot.