Duerkopp Adler 4220-6, Инструкция по эксплуатации

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3.4.4 Setting of the rear and side guides
With the sewing categories 300 and 400, it is possible to
replace the front and the rear guides by one guide. This is a
variant, where the use of the front and of the rear guides does
not enable attaining a satisfactory stitch locking. This guide
is to be set in height 1-2 mm above the lower edge of the
feeding wheel in accordance with the hardness of the sewn
material. In the sewing direction and with regard to the
clearance against the needle, the setting is to be done in such
a way, so that the guide should not have any influence on the
quality of the stitch locking.
Caution! Danger of injury!
Switch off the main switch! Before starting the
setting operation, wait until the motor stops!
- Loosen the screws (1) and set the guide (2) in height, set
the clearance between the needle and the guide, tighten the
screws (1).
- Loosen the screw (3) and set the guide in the sewing
direction, tighten the screw.
- Check the influence of the setting on the stitch locking.
3.4.5 Setting the guide of the needles (stitch
widths with needles, side by side)
The side setting of the guide is to be done starting from the
axis of the stitch width of the needles, that is to say that the
clearances between both needles and the guide must be the
same. The correct height of the guide is set up according to
the sewn material, 1-2 mm above the bottom edge of the
feeding wheel. In the sense of sewing, the guide is to be set in
such a way that the contact of the guide with the material is at
the same spot as the contact of the feeding wheel with the
material.
Caution! Danger of injury!
Switch off the main switch! Before starting the
setting operation, wait until the motor stops!
- Loosen the screws (7) and set the guide (3) into the axis of
the stitch width of the needles and set the guide in its
correct height, tighten the screws.
- Loosen the screw (6) and set the guide in the direction of
sewing according to the feeding wheel, tighten the screw.
- Check up the influence of setting on the stitch locking.