12
MACHINE PREPARATION
12. ASSEMBLY ROTATING BRUSHES
1. Push downwards the control lever to lift the brushes base
Note
In case of machines with automatic control (machines with actuator) rotate the switch with
key into position ON (1) and push the lever button (2) upwards so much until the signal lamp
of the up-down brushes base is coming off.
2. Turn the key into position OFF and take it off from the instrument board (1)
ATTENTION! To carry out the operations of brushes assembly with connected
current can cause serious damage to the hands
3. With the brushes base in lifted position, insert the brushes into the seat of the plate under the
base until the three buttons fit into the holes of the plate. Turn the brush so that the buttons are
pushed towards their retaining springs until the brush is clamped in place. The figure shows the
direction of rotation for the coupling of the brushes.
It is recommended to invert daily the position of the right brush with the left one and vice versa. If the
brushes are not new and they show deformed bristles, it is better to reassemble them in the same
position, in order to avoid that the different inclination of the bristles causes an overload to the
brushes motor and excessive vibrations.
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