Small variable volume vane pump (Capacity : 8 cm2/rev, Discharge rate : 15 litre/min and Pessure : 7 MPa –Nachi) is used to maintain required pressure of 35 kg/cm2in the circuit. Volume of Diaphragm type Accumulator is 0.75 litres. Direction control valves are solenoid actuated which has pressure capacity up to 35 MPa.