Operation Manual

6.5 Switching on/off the thread tensioner

ECO and CLASSIC machines with electro-magnetic control

–

When pulling the hand lever 1 towards the operator, the tensioners

3and4areswitchedoff.

–

Tensioner 2 is never switched off.

Manually controlled machines (without the thread trimming)

–

Tensioners 3 and 4 are mechanically switched off when the foot is

lifted with a hand or knee lever.

Machines with the thread trimming

–

Tensioners 3 and 4 are switched off with an electric magnet or

pneumatic cylinder at the foot automatic lifting. If the automatic

foot lifting at the machine stop is pre-selected, the tensioners are

switched off, but temporarily only, so that the switching off electric

magnet does not overheat.

–

Tensioners 3 and 4 are also switched off temporarily during the

trimming cycle.

–

Tensioners 3 and 4 are not switched off at the foot lifting with the

hand or knee lever.