Constant Sewing-Foot Pressure Through The Cylinder; Sewing Backward (Backtacking) - DURKOPP ADLER 887 Series Operating Instructions Manual

6.11.2

Constant sewing-foot pressure through the cylinder

6.12 Sewing backward (backtacking)

1
2
–
The pressure of the roller presser will be set via the setting
wheel (2).
–
Pull the handle (2) downwards and turn it until the desired
operating pressure is shown on the manometer (1).
Backtacking with a hand lever
–
Press the lever (1) downwards. The machine will feed in the
opposite direction until you release the lever.
Backtacking with a microswitch - depending on the type of key panel
–
Press the microswitch (2) or lever (3). The machine will backtack
until you release the hold.
Automatic backtacking (bartacking)
–
In the machines equipped with the positioning motor it is possible
to pre-select the backtacking by a pre-selected backstitches
number both at the beginning and at the seam end. At the seam
beginning (after the preceding thread trimming) after the pedal
treading forwards the machine sews the pre-selected bartack
entirely automatically. The same at the seam end after the pedal
treading in the position –2 the machine sews the pre-selected end
bartack and then trims the threads (see par. 8).
EN
1
2
3
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