Operation Manual

3.4 Setting the Bobbin Thread Tension

Caution Risk of Injury!

Turn off main switch.

–

Bring the needle into the highest position

–

Pull the covering cap from the free-arm

–

Remove the bobbin housing with bobbin. Hereby

raise the bobbin case flap as far as possible.

–

Carefully turn the regulating screw 1.

To the right = Increase thread tension

To the left = Decrease thread tension

The initial setting for the tension spring 2 is:

The bobbin housing must slowly lower through its

own weight. (see sketch)

–

Insert the bobbinn case with bobbin as far as

possible into the bobbin case base and release the

bobbin case flap. For security press in the bobbin

case with your index finger and make sure that the

bobbin case flap has caught.