Installation and Operation Manual
Part Number: VA001-507-32, Rev. 1
August 2016
31
Section 4: Set-up/Start-up Procedure
Set-up/Start-up Procedure
4.8.2 Double Acting Actuator with an (Optional) ESD Solenoid Valve and Accumulator
Figure 21
2-Way Remote Electric Without an ESD Solenoid Function Schematic
(M)
Hand Pump Selection Valves
(L)
Hand Pump
(J)
Opening Solenoid
(K)
Closing Solenoid
K
J
L
M
I
M
NOTE:
The components referenced below are referencing Schematic 4.8.2. and is for
illustration purposes only. When using this procedure refer to the Bettis EHO Actuator
General Arrangement Drawing and Hydraulic Schematic for the unit being worked on.
4.8.2.1 Ensure both Hand Pump Selection Valves (M) are in the automatic
open position.
4.8.2.2 ESD (Emergency Shut Down) Solenoid Valve (P)is constantly energized
closed.
4.8.2.3 Ensure Isolation Valve (H) is closed and Isolation Valves (N) and (O) are
both open.
4.8.2.4 Push and release the OPEN/CLOSE PUSHBUTTON to start the Electric
Motor. The Hydraulic Pump Draws Fluid from the Reservoir and
discharges fluid to the nitrogen pre-charged accumulator.
Содержание Bettis EHO
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