Instruction manual

2.6 Hook, looping stroke and needle bar height

2.6.1 Looping stroke

Caution: Risk of injury!

Tur n off the main switch.

Check and set the looping stroke only when the machine is switched

off.

Standard checking

The looping stroke is the way of the needle bar from its bottom dead

center to the point where the hook tip 2 is at the middle of the

needle 1.

The looping stroke is 2 mm.

–

Arrest the machine head in position I

(Locking pin Ø 5 mm in the large groove).

–

Set the stitch length to “ 0” by aligning the markings 4 and 5.

–

Check the position of the hook tip in relation to the needle.

Correction

–

Arrest the machine head in position I by putting the locking

pin Ø 5 mm into the large groove.

–

Set the stitch length to “0”.

–

Loosen the screws on the clamping ring 3.

–

Tur n the hook in a way that the hook tip 2 stands in the middle of

needle 1.

–

Tighten the screws on the clamping ring 3.

ATTENTION!

After the hook’s setting the position of the thread cutter cam is to be

checked (see chapter 2.11.5).