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► Keep a minimum clearance of C = 10.6 in. (27 cm) from
obstacles.
► If routing the perimeter wire in confined areas, keep a
minimum clearance of two times the length C of the STIHL
iMow Ruler (21.3 in. (54 cm)), @ 11.4.
D = 0.8 in. (2 cm)
Maximum height difference the robotic mower
can cross.
If the height difference between the grass and other surface
(e.g., path, patio) is less than 0.8 in. (2 cm), you may install
the perimeter wire adjacent to the other surface:
► Route the perimeter wire without clearance to the
obstacle.
► Take care to avoid damaging the perimeter wire when
using a line trimmer or edging in that area.
► If necessary, install the perimeter wire at a slight distance
of 0.8 in. to 1.2 in. (2 cm to 3 cm) from the lawn edge.
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► If the height difference between the surfaces is more than
0.8 in. (2 cm), route the perimeter wire at minimum
distance of C = 10.6 in. (27 cm) from the other surface or
obstacle.
11.4 Routing the Perimeter Wire in Confined Areas
The robotic mower can travel automatically though narrow
passages, provided required minimum wire clearances are
maintained.
a
b
c
b
► If you route the wire between obstacles higher than 0.8 in.
(2 cm), e.g. walls or hedges, keep a minimum wire
clearance of b = 6.7 in. (17 cm).
► If you route the wire between obstacles lower than 0.8 in.
(2 cm), e.g. paths or patios, keep a minimum wire
clearance of c = 21.3 in. (54 cm).
► Block off narrower areas in which a < 42.5 in. (108 cm)
through appropriate routing of the perimeter wire.
11 Installing the Perimeter Wire
c
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