Steering; Rider Pro - Husqvarna Rider 15V2 Workshop Manual

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Design and function

Steering

All ride-on lawn mowers in the Rider series have articulated steering. The steering force from the steering
wheel is transferred to the rear section via wires and a chain. This ensures that the ride-on mower is easy to
manoeuvre, as well as having high-precision steering. A Rider easily cuts around all obstacles that may be
found on the lawn.
Thanks to the articulated steering there is a very small turning radius and the uncut circle with a fully turned
wheel is only 20-30 cm, depending on the model.
Rider Pro 18 is fitted with servo steering. Other machines only have the mechanical steering system, as
illustrated below.
Illustration of the mechanical function of the articulated steering.
The illustration shows Pro 18, other machines do not have the power steering in the steering column.
Illustration of the hydraulic function of the articulated steering on Pro 18.
The servo steering obtains its pressure from the pump in the hydrostatic transmission. The power steering is
mounted in the steering column and its stator section is fitted in the power steering housing, which is the
front section of the machine's frame.
The power steering is, in principle, a hydraulic torque motor controlled by the steering wheel. When there is
no hydraulic pressure, the machine can still be steered, as the steering shaft is mechanically attached to the
sprocket wheel on the power steering's outgoing shaft (the rotor section).
18
– English
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