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IMPORTANT Check that the two rear wheels
are the same height (fig. 48.A) and that the
difference between the external diameters of
the two wheels (fig. 48.B) is no greater than
8-10 mm. On the contrary, to avoid uneven
mowing, the cutting means assembly must be
aligned by an Authorised Service Centre.
8.3.5 Repairing or changing tyres
All puncture repairs or replacements
will have to be carried out by a tyre
repair expert in accordance with the
methods for the kind of tyre used.
8.4 ELECTRONIC CIRCUIT BOARD
The electronic circuit board is a component
fitted below the dashboard which
manages all machine safety devices.
The electronic board is fitted with a self-
rearming protection device that interrupts the
circuit in the event of a fault on the electrical
system; when this device is tripped, it stops the
engine and generates an acoustic signal that
can only be disabled by removing the key.
The circuit is re-armed automatically after
a few seconds; identify and eliminate the
cause or causes of the fault in order to
prevent subsequent interruptions.
IMPORTANT To avoid tripping the
electronic board protection device:
– do not invert the battery terminals;
– do not operate the machine without the
battery, as this would cause the battery
charge regulator to function irregularly;
– take care to avoid short circuits.
8.5 REPLACING A FUSE
The machine is fitted with fuses (fig. 49.A) with
different capacities and functions. Specifically:
– 10 A fuse = protects the electronic board
general and power circuits, when it
blows the machine stops running and the
dashboard light is extinguished (par. 5.11)
– 25 A fuse = protects the battery
recharge circuit. When it blows, the
battery gradually runs down and the
machine will have problems starting.
– 5 A fuse = protects the auxiliary 12 V
power supply socket for the attachments.
All manuals and user guides at all-guides.com
The fuse capacity is indicated on the fuse.
be replaced by one of the same type and
amperage and never with one of another rating.
If you are unable to understand why
it has blown contact Your Dealer.
• The bulbs (18W) have a bayonet fitting
• Loosen the lock nut (fig. 51.A) and
1. Raise the bonnet and remove
2. Detach the cotter pin (fig. 52.B) and
3. Detach the LED light bulb cables (fig.
4. Raise and release the upper part
5. Undo the screws (fig. 55.A) and replace
6. To replace the bonnet, repeat the
This is a sealed single unit that does not require
maintenance. It is permanently lubricated and its
lubricant does not need changing or topping up.
EN - 24
– 15 A fuse = protects the command motor
circuit, when it blows the electrical grass
catcher bag tipping system is disabled; in
this condition it is still possible to tip the
bag by using the manual lever (if fitted).
IMPORTANT A blown fuse must always
8.6 REPLACING BULBS
8.6.1 Type "l" - Incandescent light bulbs
and are installed in the bulb holder,
which can be taken out by turning it
anti-clockwise with pliers (fig. 50).
8.6.2 Type "ll" - LED light bulbs
remove the connector (fig. 51.B).
Remove the LED illuminator (fig. 51.C),
secured by screws (fig. 51.D).
8.6.3 Type "III" - LED light bulbs
(for TNS, THNS models)
the connector (fig. 52.A).
slide the bonnet off laterally.
53.A), undo the screws (fig. 53.B)
and release the tabs (fig. 53.C).
of the bonnet (fig. 54.A).
the LED headlights (fig. 55.B).
above procedure in reverse order.
8.7 REAR DRIVE UNIT
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