Unocode 399 PLUS Operating manual - English
66 Copyright S ilca 2010
7.4 BELT REPLACEMENT AND TENSION ADJUSTMENT
To replace the belt, proceed as follows
:
1) turn the machine off and unplug it.
2) remove the back panel (chap.7.8, page 70).
3) remove the bottom panel (chap., page 70).
4) loosen the 4 screws (W) securing the motor (fig. 46).
5) remove the worn belt from the pulleys.
6) fit the new belt onto the pulleys, making sure that the direction of rotation is correct.
7) using the provided belt tension plate and the (W2) screw adjust the bel t’s tension by turning the (W2)
screw.
8) tighten the 4 (W) screws back into place, securing the motor.
9) remount the back and bottom panel.
Fig. 46
Fig. 47
To adjust belt tension proceed as follows
:
1) turn the machine off and unplug it.
2) remove the bottom panel (chap., page 70).
3) loosen the 4 screws (W) securing the motor (fig. 46).
4) using the provided belt tension plate and the (W2) screw adjust the bel t’s tension by turning the (W2)
screw.
5) tighten the 4 (W) screws back into place, securing the motor.
6) remount the bottom panel.