56041472(2)00-02
Warning: these operations must be carried
out with the machine off, the key switched
off (for battery-operated version), and with
the machine on even floor.
When the main brush is fairly worn, its height
must be adjusted to recover as much of the
brush consumption as possible.
Loosen the knobs "
A
" on both sides of the
machine, lower the brush to the ground
taking the "
B
" indicator to the right position
in the direction shown in the figure. The "
B
"
indicator must be placed in the same position
on both sides of the machine.
To make sure that the main brush has been
properly adjusted, perform the following
operations: let the brush rotate with the
machine not in operation and on a flat
ground; then make sure that the print left by
the brush onto the ground is from 2 to 4 cm.
wide.
If the brush does not operate efficiently
repeat the adjustment operation.
When the brush is completely worn-out, it
must be replaced.
In order to perform this operation, just lift the
bonnet so as to disconnect the safety device;
loosen the knob on the left side of the
machine, as shown in the figure.
Remove the cover by pushing it down.
Pull out the worn brush.
CENTRAL BRUSH ADJUSTMENT AND
REPLACEMENT
14
A
A
B
