Move the doors by hand for the entire stroke and check movement is free and without friction and that all the castors rest on the sliding profile.
Check the lower part of the door is correctly guided on the floor slide. Adjust the position of the mechanical stop brackets to limit the stroke of the doors in the
desired position.
4.3 BELT ADJUSTMENT
Adjust tightening of the serrated belt using the return unit, as indicated in the figure:
- Manually push the return unit to the left, to tighten the serrated belt and fasten it to the box profile using the specific screws.
- loosen the screw [A]
- screw in the screw [B] and compress the spring up to the measurement of approx. 2mm (however manually check tightening of the belt is not too tight or too
loose)
- block adjustment of belt tightening by tightening the screw [A]