Duerkopp Adler 173 Betriebsanleitung - Seite 13

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3.6 Setting the feeding length

Bottom feed

The feed dog feeding length is

adjusted at dial 4.

Top puller feed

The feeding length of the puller 9 is

adjustable independent of the bottom

feed at dial 3 and can thus be

adapted to the feeding characteris-

tics of the material.

When sewing with stitch condensing

at the seam beginning and seam

end, the puller feeding length au-

tomatically adjusts to the feeding

length of the bottom feed.

Please note:

–

The puller can be swung out of the

sewing area using the hand lever, eg

for sewing with the bottom feed only.

–

To raise the puller when sewing radii

or corners, operate the lower key 5 at

the sewing head.

–

The fabric keep-off plate 8 serves

simultaneously as trimming knife for

the thread chain. (Only on machines

without thread trimmer.)

–

The puller pressure is adjustable to

the material. Loosen the screw 7 and

adjust the cylinder 6:

In direction A = higher pressure

In direction B = lower pressure.