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CRX/VIPER4+ ROS INSTALLATION | CRX/VIPER 4+ ROS - RS1 | RAVEN EUROPE GENERIC
Hint!:
In case the wheels of the tractor are steering,
when the hydraulics of the tractor are operated;
a checkvalve should be mounted in the load
sense line from the manifold. The non-return
valve should let oil pass from the manifold to
the check valve/pump and should block in
opposite direction.
Hint!:
A shuttle valve for CNH tractors can be provided
by Raven Europe (part no. 13348001014) or the
local CNH dealer (part no. 82018814).
1.2.4
PRESSURE RELIEF VALVE
Determine the maximum pressure of the steering
system before mounting the manifold. The maximum
pressure of the additional pressure relief valve should
be set equal to the maximum pressure of the steering
system, before mounting the manifold.
A pressure relief valve is mounted to the add-on part
of the open center manifold (Figure 8). This pressure
relief valve must be set to the maximum allowable
control pressure of the steering system. The default
setting of the pressure relief valve is about 180 bar.
Determine the maximum pressure of the steering
system before mounting the manifold. Follow the next
steps:
Mount a pressure gauge, by making use of
•
a t-piece in the pressure line between the
hydraulic pump and the steering orbitrol.
Steer the front wheels to one side and
•
keep steering until the maximum pressure
is reached.
Read out the value on the pressure gauge.
•
After mounting the manifold. Set the maximum
pressure of the pressure relief valve, equal to the
maximum pressure of the steering system. Follow the
next steps:
PAGE 15/36 | Installation manual | 016-8000-028EN | Rev. B
FIGURE 8 OPEN CENTER MANIFOLD
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