12 SECTION 41 - STEERING SYSTEM
3. POWER STEERING
The steering unit consists of a metering pump that
includes:
Z A gear wheel assembly with fixed stator (with inner
teeth) and a rotor (with outer teeth).
Z A 4 ways rotary distributor consisting of an outer
sleeve and an inner selection rotor.
The selection rotor is connected to the steering
wheel, through column, that can be of two types:
fixed or adjustable.
Z A cardan shaft, mechanically tied to gear wheel as-
sembly and to outer sleeve, allows the movement
transmission.
Z Set of centering springs between outer sleeve and
inner rotor.
L. Left control port (steering cylinder)
R. Right control port (steering cylinder)
P. Inlet to steering pump
T. Outlet to oil tank
LS. Outlet to steering pump
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