26
September 2020
Installation, Operation and Maintenance Manual
MAN 571_EAC Rev. 1
Operation and Use
Section 3: Operation and Use
Figure 21
Double Solenoid Valve With Manual Control
•
Arrange the distributor to the “Automatic” position (Figure 22).
•
Operate the manual control lever of the double solenoid valve in the control group,
relevant to the operation to carry out (opening or closing) (Figure 21).
•
Check the correct operation of the actuator through the visual position indicator.
•
Release the lever to terminate the operation.
3.3.2
Local Hydraulic Manual Operation
!
WARNING
Use the proper safety measures to protect from any pressurized gas not piped and from
excessive and harmful noise.
•
Operate the distributor to the “opening” or “closing” position according to the
operation to make (Figure 22).
•
Operate the manual control lever (Figure 22).
•
Check the correct operation of the actuator through the visual position indicator.
•
If no other local operation is carried out, operate the distributor to the “Automatic”
position (Figure 22).
