Operation Manual

Performance description
Operating manual 171/173 Version 01.0 - 01/2016 7
2 Performance description
The Dürkopp Adler 171 and 173 are, respectively, single- and
twin-needle double chain stitch crossline sewing machines for
linear seams, using stitch type 401.
2.1 Features
Common features of the 171 and 173
• Mounted drive motor with corresponding controller
(DAC eco or DAC classic - depending on the submodel)
• Automatic central oil wick lubricatio
n with sight glass and
looper drive operating in the oil bath
• With or without thread cutter depending on submodel
• Sews forwards only
• Needle bar drive via Scotch-yoke mechanism
• Needle stroke 32 mm
• Stitch length and stitch condensing adjustable via the
ad
justing wheel
• Automatic adaptation of the looper th
read quantity to the stitch
length; also adjustable for balloon stitch
• No automatic opening of the thread tensioner when sewing
corne
rs; on machines with a thread cutter, the thread ten-
sioner is automatically triggered in the cutting process.
• Integrated adjusting disk with position markings on
the handwheel
Special features of the 171
• Bottom feed
Special features of the 173
• Intermittent roller top feed (stable speed) with 7 mm maximum
feed
length and can be set independently of the bottom feed
• Stitch length and roller top feed length adjustable via the
ad
justing wheel
• Automatic adaptation of the roller top feed when switching
to stitch condensing
• New roller suspension with particularly good climbing ability
• Ability to raise the carrier roller using a button or hand lever
(de
pending on the submodel)
• Additional 16 mm wide asymmetric Vulkollan carrier roller
in the accessories