Instruction manual

6.3 Opening the needle thread tension

Subclasses

669-180010

When raising the sewing feet by means of the knee lever, the main and

supplementary tensioners are automatically opened.

Subclasses

669-180112, 669-180312

The needle-thread tensioner is automatically opened when the thread

is cut.

6.4 Turning the supplementary thread tension on and off for subclasses 669-180010

and 669-180112

The supplementary thread tension is turned on and off using the

lever 1.

Turning on

–

Pushtheknob2onthelever1totheleft.

Turning off

–

Pushtheknob2onthelever1totheright.