Initial Check Of The Unit; Initial Connections - Emerson Bettis EHO Installation And Operation Manual

Section 4: Set-up/Start-up Procedure
August 2016
4.1.2
To complete this procedure, you will also need the following materials and equipment:
4.2

Initial Check of the Unit

NOTE:
The components referenced below are referencing to schematic found in section 10.2.
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.
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.3

Initial Connections

Electrical connections should have been made to the STC (Separate Terminal Chamber).
If power is not connected, follow the instructions under Section 3, Electrical Connections,
before continuing. If an ((optional)) Circuit Breaker Module is provided, ensure it is turned to
OFF.
CAUTION:
Before the actuator is stroked, check to see it has been filled with fluid to the proper
level. ((See 2.7, Hydraulic Fluid.))
22
Material and Equipment for Start-up and Set-up
Table 4. Required Material and Equipment
Required Material and Equipment
Miscellaneous fittings, adapters and Hand Tools: complete complement of open end
((SAE and metric)) wrenches, screw drivers Philips and flat blade and a set of hex
wrenches
Primary Power Source for the EHO
((check the EHO System Electrical Diagram for requirements))
Supplemental quantity of hydraulic fluid, if needed
((See 2.6, Hydraulic Fluid, and EHO specification for required fluid type))
Nitrogen Source ((if an Accumulator is supplied with the EHO))
Check to ensure all hydraulic tube fittings are tight. Vibration during shipment
may have loosened connections.
Visually inspect the unit to make sure tubing, hand valves, gauges and other
equipment have not been damaged.
Using the Schematic drawing, verify that the Flow Control Valves (7) are fully
opened ((turn stem completely counterclockwise)).
Ensure Isolation Valve (Accumulator drain) (24) is closed ((if applicable)).
Ensure Isolation Valve (Nitrogen Blow Down and Fill) (25) is closed ((if
applicable)).
Installation and Operation Manual
Part Number: VA001-507-32, Rev. 1
Set-up/Start-up Procedure