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The slope is too steep if...
The mower tilts off the ground while climbing it. Exclude such
slopes from the cutting area.
SLOPES
Hard Obstacles
Hard obstacles are vertical, rigid
and higher than 15 cm (6 in), such as
trees or telephone poles.
If a Hard Obstacle has a diameter under
10 cm (4 in), it must be protected by a
Perimeter Island.
If the diameter is
larger, it’s not necessary.
Slopes along the edge
To ensure your mower doesn’t slip off the lawn, especially
when the grass is wet, the Perimeter Wire must exclude a
slope along the edge of your lawn with an incline of over 15% -
that is, 15 cm rise per 1 m [6 in rise per 3 ft].
TIP
Slopes within the Lawn
Your mower can mow areas within
the lawn with a slope of up to 35%
[35 cm rise per 1 m/14 in rise per 3 ft].
Max 35%
Less than
15 cm / 6 in
Less than 15%
1 m / 3 ft
More than 15%
1 m / 3 ft
More than
15 cm / 6 in
