ANNEX 3
INSTRUCTIONS FOR THE HYDROPNEUMATIC SUSPENSION
OF AN AXLE (open circuit)
PRESENTATION OF THE SYSTEM :
All undercarriages equipped with a damping system with instant
automatic level correction are said to have hydropneumatic suspension.
The system is permanently coupled to the tractor. The ideal is to
provide a single acting valve (LS if possible) and a free return to the source.
Pressure can also be taken at the pump outlet without using a distributor since a
continuous pumping is required.
The vehicle corrects its height instantly, which is to say that when
loading the vehicle, the hydraulic system will demand the tractor to re-adjust the
height of the skip and vice versa, during unloading, the system will return oil to the
tractor..
PRESENTATION OF THE SYSTEM :
2-1 : The system is composed mainly of the following components :
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