The circuit designed for question to provide an emergency stop which will park both cylinders in the extended position (i.e. A + B +).
5. Modify the circuit designed for question 3 to provide a fail safe.
The fail safe should:
(a) act in the event of a reduced pressure at inlet to the group selecting valve
(b) park the cylinders in the retracted position.
Please consider the circuit on the attached file only.
