Duerkopp Adler 744-122, Инструкция по эксплуатации

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– Then set the hook shaft 6 at its highest point
with the handwheel.
Read the difference from the dial gauge.
If the result does not agree with the given
dimension for the ellipse width, the lower shaft
3 must be loosened.
The measurement can also be made with a
feeler gauge between the hook bearer 8 and
the hook drive housing 7.
– With adjustments in the direction of the axis the
ellipse dimension changes in a ratio of 1:2, that
is, when the lower shaft is slid e.g. 0.2 mm, the
ellipse width changes 0.1 mm.
– Remove the throat plate. Place the needle
protector 16 to the rear.
– Loosen the set collars 15 and pulley 13.
Slide the lower shaft 3 in the appropriate
direction until the correct dimension is attained.
– Tighten set collars 15, so that the lower shaft 3
is tight. Align and tighten the pulley 13.
– Loosen screw 18 and one of the screws 17. By
adjusting the hook bearer 8 bring the hook
point to a distance of between 0.05 and 0.1 mm
from the needle. (Hook point behind the needle).
– Tighten screws 18 and 17 again.
– Check the movement of the timing belt. If
necessary adjust the lower timing belt pulley.
16
17 18
17
8
13 14 15
8 9 11
12 3
10
17