6.10 Reverse sewing (Backtacking)
Backtacking with a hand lever
–
Press the lever (1) downwards. As long as the reverse feed
lever (1) is pressed down, the machine sews in reverse.
Backtacking with a key
–
Press the key (2) or lever (3). The machine sews in reverse, as
long as the key (2) or lever (3) is pressed down.
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.
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