Deutz 1012 Spécifications Page 147

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Service Training
Section 4.4
Page 3
OPERATION OF THE POWER STEERING
The oil from the pump (28) enters the steering control valve (B) at port P2, flows through the steering control
valve (17), leaves the valve through port T1 and goes back to the tank through the oil cooler (E).
Turning the steering wheel closes the P2-T2 connection and the oil coming from P2 is fed to the steering
cylinder via port R or L. The maximum pressure on the primary side is set to 150 bar.
When the steering wheel is not operated, the secondary valves (16) limit the restoring force and the peak
pressures connected therewith to 220 bar.
The make-up valves (15) ensure that the steering can be operated in an emergency.
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