S -2
S -2
Priority Valve 2.3 Right steering to the end
1. When the steering wheel is turned right until the
2. Under this condition, the pressure loss as the oil
steering cylinder reaches the end of its stroke, a
passes through orifice Cdy result in a pressure
further attempt to rotate the steering wheel causes
difference between chambers A and B, causing
the steering relief valve to open to relieve the
the spool to move to the right end. Therefore,
pressure.
almost all the amount of oil except the one flowing
In this case, the oil flows through the following
from the relief valve is available for use by the
route.
other actuator circuits.
Port CF → Orifice Cdy → Pressure chamber B → Filter → Steering relief valve → Tank
6
W126-0021E
