Pag. 42 a 47 28/02/2023 Nome file: DOC0103 A00
9.3 AUTOMATIC BELT CENTERING
The automatic belt centering system is electrically controlled and comprises two devices: a lifter and touch sensor. The
lifter acts only upon one of the two tubes.
At installation the second tube needs to be manually adjusted such that the belt tends to veer towards the side where the
touch sensor is installed and when the tube has been moved downwards (4).
When the belt completely presses against the sensor (1) the lifter raises the tube in such a way as to guide it towards the
opposite side (2). As soon as the belt looses contact with the sensor (3) the tube is lowered (4) and the process repeats
cyclically. The belt thus moves repeatedly a few millimeters from left to right.
The upper belt is controlled by the centering device in front, while the lower belt is controlled by the one on the exit. The
registration screw of each tube, not controlled by the centering device, are placed at the opposite side of the motor and
centering device.
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