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Stitch lengths
10.3 Adjusting stitch condensing for the puller
Fig. 36: Adjusting stitch condensing for the puller
(1) - Stop
Proper setting
The carrier roller should always transport a slightly greater amount than
the bottom feed.
This will keep the sewing material under tension and prevent ruffing during
stitch formation.
Reduce the sewing foot pressure such that it is barely possible for a thin
piece of cardboard to pass through between sewing foot and feed dog.
To adjust stitch condensing for the puller:
1. Lower the carrier roller.
2. Allow the needle to puncture a thin piece of cardboard.
11 punctures equal a measurement of 13 mm.
3. Loosen the counternut (2).
4. Adjust the stop (1) accordingly.
5. Tighten the counternut (2).
Service Instructions 171/173 - 00.0 - 01/2020
Carry out condensing stitches by pressing the button on the machine
arm.
①
(2) - Counternut
②
47
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