Duerkopp Adler N291 Manuel d'utilisation - Page 4

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Duerkopp Adler N291 Manuel d'utilisation

2. Elements and their function

2.1 Elements at the machine head

Element

Screw 1

Thread guide 2

Turning knob 3

Lever 4

Lever 5

Dial 6

Dial 7

Sight glass 8 with

inlet opening

Turning knob 9

Turning knob 10

Hand lever 11

Turning knob 12

Lever 13

Needle 14

Locking button 15

function

–

This screw for the sewing foot pressure is turned in

completely at the factory.

Therefore, do not change its adjustment!

–

Depending on the material thickness, sewing thread

and stitch length, the position of the thread guide

must be adjusted such that controlled guiding of the

needle thread around the hook is assured.

When it is set at "0" the largest amount of thread is

released, as is required for very long stitches and

very thick material.

–

Setting the additional tension engageable with lever

5 at the desired value.

–

Opening the needle thread main tension and needle

thread additional tension.

–

Activating and deactivating the additional tension.

To do this, unlock the lever by pulling it to the right,

and then change over.

–

Set the "higher" foot stroke that has been activated

with the corresponding key or knee switch.

–

Set the "smaller" foot stroke.

–

Indicating the oil level in the reservoir. The oil level

must not drop below "MIN". If necessary, fill the oil

ESSO "SP NK 10" into the oil reservoir up to the

mark "MAX".

–

Setting the reverse stitch length.

–

Setting the forward stitch length.

–

Changing the stitch length infinitely between the

adjusted forward and reverse stitch length.

–

Setting the needle thread main tension at the

desired value.

–

Determining whether the needle thread main tension

is opened or closed while the foot is lifted.

Lever up: Tension opened

Lever down: Tension closed

–

When changing the needle, always turn off

the main switch.

Otherwise there is danger of injury!

–

Locking the sewing foot in its lifted position.