19.13 Seam center guide
In order to be able to operate the seam center guide the sewing drive
DC1600/DA82GA is required.
The kit for the seam center guide can be mounted on the special
sewing machine 767-FA-273 euipped with the sewing equipment E74.
The seam center guide serves as a guiding help for topstitching
operation. It guides the c enter of two parallel seams to ensure an equal
distance to the left and the right needle.
19.14 FS-13-1 Additional tension
The classes 767-FAS-373-RAP-HP; 767-FAS-573-RAP-HP;
767-KFA-373-RAP-HP equipped with the sewing drive
DC1600/DA82GA can be retrofitted with the FS 13-1 Additional Tension
(Part-No. 0767 590204).
The pneumatic additional tension can be activated or deactived at any
time.
The additional tension is activated through the key 2.
When the LED 1 is on, the additional tension is active.
(See Fitting Instructions 0791 767772).
19.15 NK 13-1 Needle cooling
Pneumatic needle cooling for one needle sewing machine.
19.16 LR 13-4 Light barrier
Reflecting Infrared Light Barrier for the automatic sewing stop at the
end of the material w ith the follwoing functions:
seam end tacking, thread trimming, sewing foot lifting.
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