Removable Counterweight Components
To use this function, stop valve(4) must be open(O) and center bypass valve must be blocked by pilot
signal from pilot selector solenoid valve(3) by toggle switch(S) operation.
O : Open(Stop valve,4)
X : Closed(Stop valve,4)
Y : Pilot selector solenoid valve(3)
Z : Removable counterweight valve(1)
S : Switch for pilot selector solenoid valve(3)
Picture text: