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28 – English
E
MAINTENANCE
Checking the blades
To achieve the best mowing results it is important
that the blades are undamaged and well-sharpened.
Check that the blades’ attachment screws are tight.
IMPORTANT INFORMATION
On the Bioclip unit the relative positioning
of the blades should always be as shown
in the diagram with an angle of 90°
between the blades. Otherwise the blades
can go against each other and damage the
unit.
IMPORTANT INFORMATION
Replacing or sharpening the blades
should be conducted by an authorised
service workshop.
Cutting unit on Rider 850 (rear ejection) Cutting unit on Rider 979 (Bioclip unit)
Checking the tyre pressure
The tyre pressure should be 60 kPa (0.6 kp/cm
2
) all
round.
To improve driving the pressure on the rear tyres
can be reduced to 40 kPa (0.4 kp/cm
2
).
The maximum tyre pressure is 100 kPa (1.0 kp/cm
2
).
IMPORTANT INFORMATION
Different tyre pressures on the front tyres
will result in the blades cutting the grass at
different heights.
850,970 Eng 97-10-14, 14.3028