Duerkopp Adler 173 Manuel d'utilisation - Page 16

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5. Information on sewing with monofilament threads

When using monofilament threads,

needle threads and looper threads may

have the same size.

The best results can be obtained with soft

and elastic threads.

We recommend the following thread

sizes: Label-No. 180.

With a needle size of Nm 80 the stitches

per minute must be reduced to 4000.

In the case of needle sizes from Nm 90

the max. stitches per minute may be

7000.

The following is required to assure

reliable sewing:

–

The thread containers or thread cones

must incorporate a silicone impregna-

ted applicator (felt piece) at the thread

draw off point.

–

The needle cooler, order no. 933 671,

is required.

–

The edges 1 of the down-holder for

the looper thread must be rounded off

as shown in the figure.

–

Please observe the information on

reliable stitch formation in section 3.4.