Operation Manual

Operation

Operating manual 171/173 Version 01.0 - 01/201630

Fig. 15: Setting the thread regulator

Correct setting

• Less elastic threads: The hole (3) of the thread lever is visi-

ble in the thread lever's bottom position just above the lower

r (4) of the thread regulator: position (a).

• V

ery elastic threads: The hole (3) of the thread lever is visi-

ble in the thread lever's bottom position just below the lower

bar (4) of the thread regulator: position (b).

Adjusting the thread regulator

1. Turn the handwheel until the thread lever reaches its lower

end po

sition.

2. Loosen the fastening screws (1) of the thread regulator (2).

3. Move the thread regulator (2) to the correct position.

4. Tighten the fastening screws (1) of the thread regulator (2).

(1) - Fastening screws

(2) - Thread regulator

(3) - Hole of the thread lever

(4) - Thread regulator: Lower bar

④

②

③

①

④

②

③

(a)

(b)

①