Installation, Operation and Maintenance Manual
VA-DC-000-1952 Rev. 0
Table of Contents
April 2021
iTable of Contents
Table of Contents
Section 1:  Introduction
1.1  Scope ............................................................................................................ 1
1.2  General Information ...................................................................................... 1
1.3  Safety Information ........................................................................................ 3
1.4  Abbreviation Denitions ............................................................................... 4
Section 2:  Installation
2.1  Preparation ................................................................................................... 5
2.2  Valve Preparation .......................................................................................... 6
2.3  Actuator Preparation ..................................................................................... 6
2.4  Lifting the ECAT System ................................................................................ 7
2.5  Installing the ECAT Actuator on the Valve ...................................................... 9
2.6  Setting the Stroke Limit Stops ....................................................................... 9
2.7  Hydraulic Fluid ............................................................................................ 10
2.8  Accumulator ............................................................................................... 10
Section 3:  Electrical Connections
3.1  Main Electrical Connections ........................................................................ 13
3.2  Sealing Cable / Conduit Entries .................................................................... 13
Section 4:  Set-up / Start-up Procedure
4.1  Preparation ................................................................................................. 14
4.2  Initial Check of the Unit ............................................................................... 15
4.3  Initial Connections ...................................................................................... 15
4.4  Initial Pre-Charge ........................................................................................ 15
4.5  Initial Reservoir Fill ...................................................................................... 15
4.6  Hydrostatic Pressure / Function Test............................................................ 15
4.7  Final Start-Up Procedure ............................................................................. 17
4.8  Optional Instrumentation ........................................................................... 17
Section 5:  Troubleshooting
Troubleshooting ................................................................................................... 18
Section 6:  Maintenance
6.1  Storage Procedures ..................................................................................... 19
6.2  Service Interval ........................................................................................... 19
6.3  Lubrication Requirements ........................................................................... 19
6.4  Recommended Annual Inspection............................................................... 20