Operation Manual

6.11.2 Constant sewing-foot pressure through the cylinder

–

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).

6.12 Sewing backward (backtacking)

Backtacking with the lever

–

Push the stitch regulator lever (1) downwards.

The machine sews backward stitches as long as the stitch

regulator lever (1) is being pushed.

Backtacking with the key- depending on the type of key panel

–

Press the key (2) or (3). The machine sews backward stitches as

long as the key (2) or (3) is being pressed.

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 chapter 8).