Hydraulic Test - Emerson Bettis EHO Installation And Operation Manual

Installation and Operation Manual
Part Number: VA001-507-32, Rev. 1
4.4.3
NOTE:
The components referenced below are referencing Schematic 4.4.2. 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.
Figure 17
(A) Pressure Gauge(Optional)
(B) Nitrogen Relief Valve(Optional)
(D) Isolation Valve(Optional)
(E) Hydraulic Accumulator With Nitrogen Blanket
Charge(Optional)
(H) Accumulator Isolation Valve(Optional)
(N) Accumulator Isolation Valve(Optional)
(R) Pressure Switch
(Q) Hydraulic Pressure Gauge
(S) Pressure Transmitter(Optional)
(T) Check Valve
(V) Adjustable Flow Controls
(U) Relief Valve
(O) Hand Pump Isolation Valve(Optional)
(W) Bettis G-series Double Acting Actuator
(AB) Pressure Transmitter(Optional)
(J) Opening Solenoid
(K) Closing Solenoid
(P) ESD Solenoid Valve(Optional)
(X) Shuttle Valve(Optional)
(AC) Shuttle Valve(Optional)
(Y) Hydraulic Pump
(AD) Accumulator override valve to open(Optional)
(AE) Accumulator override valve to close(Optional)
(Z) Electric Motor
(AA) Suction Strainer
(I) Fluid Reservoir
(L) Hand Pump
(M) Hand Pump Selection Valves
4.5

Hydraulic Test

The system has been hydrostatic and function tested at the factory before shipping. This
test is to discover if any leaks have developed in the hydraulic fittings during shipping.
NOTE:
The components referenced below are referencing Schematic 4.4.2. 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.
Set-up/Start-up Procedure
Manual Open or Close with Accumulator Override feature (Optional)
4.4.3.1 Select and slowly open the Accumulator override Isolation Valve
(AD) for actuator open stroke and (AE) for actuator closing stroke.
The Isolation Valve is in the actuator stroking position when rotated
downward to the horizontal position.
4.4.3.2 After completion of the Accumulator manual override stroke, return
the Isolation Valve (AD) or (AE) to the upward vertical position.
2-Way Remote Electric With Emergency Shutdown Feature Powered
by an Electro-hydraulic power unit
B
Section 4: Set-up/Start-up Procedure
A
D
E
N
H
W
AD AE
L
M M
August 2016
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S
R
T
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V O
J K
X
Y
I
AA
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