chapter 4000
page 7
1,2 - 2,0 t A.C.
SERVICE MANUAL
Electric
036-0410-07
The 3 wheels uses a static system. It means that the oil reaches the load sensor on the priority valve only when the
steering is moving.
4 WHEELS VERSION
The 4 wheels uses a dinamic system. It means that the oil always reaches the load sensor on the priority valve.
On the priority valve there is a channel that connect LS to PP in order to guarantee always a flow of oil for a prompt
replay of the steering. The increasing of the pressure on the system can create a return pressure on the line LS (that
is connected to PP) and a conseguent kickback on the steering. Another no return valve is used on the line LS to
avoid this situation.
3 WHEELS VERSION
PRIORITY VALVE
PRIORITY VALVE
OSPC 50 LS STATIC ORBITROL
OSPF 80 LS DINAMIC ORBITROL
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