Installation Of Boundary Wire - Husqvarna 420 Operator's Manual

3.4 Installation of Boundary Wire

Ensure correct installation of the boundary wire according to directions.
The boundary wire can be installed in one of the following ways:
• Secure the wire to the ground with pegs.
It is preferable to peg down the boundary wire if you want to make adjustments to the boundary wire during
the first few weeks of operation. After a few weeks the grass will have grown over the wire making it no longer
visible. Use a hammer/plastic mallet and the pegs supplied when carrying out the installation.
• Bury the wire.
It is preferable to bury the boundary wire if you want to dethatch or aerate the lawn. If necessary, both
methods can be combined so one part of the boundary wire is pegged down and the remainder is buried. The
cable can be buried using for instance an edge cutter or a straight spade. Make sure to lay the boundary wire
at least 1 cm and a maximum of 20 cm in the ground.
Plan where to lay the boundary wire
The boundary wire must be laid so that:
• The wire forms a loop around the working area for the robotic lawnmower. Only Husqvarna boundary wire must
be used. It is specially designed to resist dampness from the soil that could otherwise easily damage the wires.
• The robotic lawnmower is never more than 35 meters from the wire at any point in the entire working area.
• The wire can not be more than 800 meters long.
• 20 cm of extra wire is available to which the guide wire will be connected later. Refer to 3.6 Installation of
Guide Wire page 28.
Depending on what the working area is adjacent to, the boundary wire must be laid at different distances from
obstacles. The illustration below shows how the boundary wire must be laid around the working area and around
obstacles. Use the supplied measurement gage to obtain the correct distance, see 2.1 What's What? on page 11.
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