3.1 TECHNICAL DATA SINJIN
Max. input flow 16 l/min [4.22 US gal/min]
Ambient temperature Min.
–30°C [–22°F]
Max.
+60°C [140°F]
Surface treatment Permissible temperature assuming
non-activated steering unit
120°C [248°F] for 20 minutes
Oil temperature Min.
-30 °C [-27°F]
Max.
+90 °C [194°F]
Oil viscosity Min. 4 mm2/s [40 SUS]
Max. 1000 mm2/s [4629 SUS]
Filtration Max. degree of
contamination ISO 4406
ON 22 / 20 / 17
PB 22 / 20 / 17
Steering torque Normal steering 0.8-1.5 Nm [7.08-13.3 lbf·in]
Manual steering Max. 80 Nm [708 lbf·in]
Momentary load Max. 160 Nm [1416 lbf·in]
Under normal operating where the steering pumps supplies an adequate oil flow at the required
pressure, the maximum torque on the steering wheel will not exceed 2 Nm[17.7 lbf·in]. If the oil flow
from the steering system pump fails or is too small, the steering unit functions automatically as a
manual steering pump. Manual steering can only be used for a limited control of the vehicle if a
sudden drop of pump pressure occurs. The Pm 50bar[725 psi] shows the manual steering pressure
(Pm) for all sizes of SHINJIN steering units type SHINJIN at a steering wheel torque of 80 Nm [708
lbf·in].The values apply only if the suction conditions on the steering unit T port are adequate.
PRESSURE RELIEF VALVE
The pressure relief valve protects the pump
and steering unit against excess pressure
and limits the system pressure while
steering.
The pressure relief valve in the steering unit
will limit the maximum pressure drop from
P to T. The pressure relief valve is set at 12
l/min[3.17 US gal/min] flow.
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