Duerkopp Adler 173 Betriebsanleitung - Seite 3
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1. Product specifications
1.1 Short description and use for the intended purpose
The 171 and 173 are double chainstitch (stitch type 401) sewing machines in single or
twin needle version.
The loopers are across the line of sewing (Crossline).
Class 171 with drop oscillation feed.
Class 173 with drop oscillation feed and intermittent top puller feed.
The feeding lengths of feed dog and puller are independently adjustable at separate
dials. When changing over to stitch condensing, the feeding length of the puller is
automatically reduced accordingly.
In accordance with the intended purpose, the machines must only be used for sewing
materials made of textile fibres and leather.
1.2 Technical data
Feeding length of the top puller feed:
Standard puller width:
Subclasses
Stitch
length
171-131110
1-4 mm
173-141110
1-4 mm
173-141521
1-4 mm
Maximum clearance under the sewing foot:
When lifting:
When sewing:
Operating pressure:
Air consumption: On the -161120
On the -141521
1.3 Optional equipment
Order numbers
1713502 Set of parts for converting a single needle- into a twin needle double
chainstitch sewing machine. Max. needle distance 14 mm depending on the
E-Nr. Not for subclass 173-141521.
933 5736 Steel puller 1 mm toothed, 9-mm-wide
933 5737 Steel puller 1 mm toothed, 15-mm-wide
933 5738a Steel puller 2 mm saw-toothed, 15-mm-wide
The steel pullers must not touch, the distance to the throat plate must be 0.5 mm.
For the adjustment see the service manual. 16-mm-wide asymmetric Vulcollan puller
and a hook knife are contained in the accessories. The position of the puller with
respect to the seam or fabric fold may be varied depending on how it is mounted.
max. 7 mm
9 mm
Speed
Needle
at work/ max.
stroke
6600 / 7000
27 mm
5800 / 6000
30 mm
5800 / 6000
30 mm
934 SIN or 933 depending on the sewing
equipment (E-Nr.)
5 mm with the needle 934 SIN
10 mm with the needle 933
4 mm
6+/-0.5 bar
0.05 NL per work cycle
0.1 NL per work cycle
Stitch
Foot lifting
condensati
on
N
e
Thread
e
cutter
d
l
e
s
y
s
t
e
m
:
5