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12.5 Wire clearances – use 
iMOW® Ruler
The perimeter wire (1) can be routed 
without clearance along obstacles that 
can be travelled on such as patios and 
paths. The robotic mower then travels with 
one rear wheel outside the mowing area.
Maximum stepped area to the turf: +/-
1cm
Measuring wire clearances with the 
iMOW® Ruler:
To ensure the correct clearance from the 
perimeter wire to the edge of the lawn and 
to obstacles, the iMOW® Ruler should be 
used for measuring the distances.
High obstacle:
Clearance between a high 
obstacle and the perimeter wire. 
The robotic mower must run completely 
within the mowing area and must not touch 
the obstacle.
Through the clearance of 33 cm, the 
robotic mower travels along the perimeter 
wire without bumping into the obstacle in 
the corner around a high obstacle.
Wire routing around high obstacles:
When routing around high obstacles (1) 
such as wall corners or high flowerbeds, 
the wire clearance must be maintained at 
the corners to prevent the robotic mower 
from scraping against the obstacle. Route 
the perimeter wire (2) with the aid of the 
iMOW® Ruler (3) as illustrated.
Wire clearance: 33 cm
When routing the perimeter wire (1) at an 
internal corner at a high obstacle, measure 
the wire clearance with the 
iMOW® Ruler (2).
Wire clearance: 33 cm
Measuring the height of obstacles:
The robotic mower can cross adjoining 
areas such as paths if the height of the 
stepped area is less than +/- 1 cm.
Height difference to obstacle that can be 
travelled on (1) is less than +/- 1 cm: route 
the perimeter wire (2) without clearance to 
the obstacle.
Take care not to damage the 
perimeter wire when tending to the 
lawn edge. If necessary, install the 
perimeter wire at a slight distance 
(2 - 3 cm) from the lawn edge.
If necessary, set the cutting height 
so that the mowing deck of the 
robotic mower does not hit the 
obstacles.
If the lowest cutting height is set, 
the robotic mower can 
consequently only clear lower 
stepped areas than specified.