Operation
34 Operating Instructions 171/173 - 02.0 - 09/2019
4.8.2 Setting the looper thread take-up
The looper thread take-up adjusts the looper thread quantity
to the relevant set stitch length so that the stitch pull is optimal
for every length and also for stitch condensing.
The looper thread take-up can be adjusted continuously on a scale
from 0 to 5. The larger the value, the greater the released thread
quantity and the more elastic the seam.
Fig. 16: Setting the looper thread take-up
Proper setting
The correct setting is dependent on the stitch length and the seam
type ( p. 30).
In particular for extreme settings (e. g. highly elastic seams), it
must be ensured that the looper thread quantity is not too large.
To set the looper thread take-up:
1. Switch off the machine.
2. Tilt the machine head.
3. Loosen the screws (4).
(1) - Bar
(2) - Holes
(3) - Looper thread take-up edge:
Scale reading point
(4) - Screws
(5) - Looper thread take-up
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