Operation
Operating Instructions 171/173 - 02.0 - 09/2019 37
To set the stitch length:
1. Switch off the machine.
2. Tilt the machine head.
3. Loosen the screw (1).
4. Move the lever (2).
• increasing the stitch length: Push the lever (2) to the
back
• decreasing the stitch length: Pull the lever (2) to the
front
5. Tighten the screw (1).
6. Erect the machine head.
4.9.2 Setting the stitch condensing
For machines with pushbuttons on the machine arm ( p. 52) it
is possible to switch over to stitch condensing while sewing. The
stitch length for stitch condensing can be adjusted by turning the
adjusting wheel continuously between 1 and 4 mm.
NOTICE
Property damage may occur!
Machine damage possible if the adjusting wheels are turned
using excessive force.
The machine is designed in such a way that it is not
possible to select a larger stitch length on the lower
adjusting wheel than on the upper adjusting wheel.
DO NOT attempt to set a longer stitch length on the lower
stitch length adjusting wheel wheel than on the upper stitch
length adjusting wheel.
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