Operation Manual

3. Operation

3.1 Needles, threads and gimps

Needles

Needle system: 558 / 579

Needle sizes: Nm 80-120 (558) / Nm 90-125 (579)

according to the type of sewing thread,

fabric and sewing equipment (E-No.).

Attention!

When changing over from one needle s ystem to the other the distance

between looper and needle and the adjustment of the needle

protection have to be checked in any case (see service instructions).

Threads

The look of the buttonhole is essentially influenced by the used sewing

thread.

Threads of synthetic fibre or even silk threads can be used a s needle

and looper threads.

The look of the buttonhole is essentially influenced by

–

the used thread.

–

the use of different needle and looper thread sizes.

Gimps

The gimp is meant to stabilize the buttonhole and to give it a relief-type

appearance at the same time.

It should have the following features:

–

not too thick, but supple and tight

–

even thickness

The threads mentioned in the following table are recommendations

only. Depending on the sewing equipment (E-No.) and the material

also other threads and thread sizes may be required.

Subclass Type and size of needle Type and size of bottom Type and size of low er

thread thread gimp

559-151000 Poly-Poly 80/2 Poly-Poly 80/2 Poly-Schappe 15/3