Pressure Reducing Valve
There is one pressure reducing valve used on the
Hydraulic circuits served by the pressure reducing
crane. The purpose of the valve is to take input flow
valve include the remote controllers, swing brake
from the supply pressure and return circuit, divide it,
and the swing directional control valve bank.
and maintain a regulated flow to two or more
separate circuits. Excess oil returns to the reservoir
via a vent port in the valve.
Maintenance to the valve is limited to removing and replacing the valve
cartridges and/or O-rings.
Remove the hoses and fittings from the valve,
Position the valve and secure in place with the
Install the fittings and attach the hoses.
secure the valve.
Remove the valve and plug the ports.
With the engine running at governed rpm, activate
the remote controllers and swing brake several
times. Check for proper operation and check the
valve for any leakage.