Table of Contents
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Service Instructions
MAN-02-08-77-0714-EN Rev. 2
Table of Contents
Table of Contents
1.1
Scope ............................................................................................................ 1
1.2
General Information ...................................................................................... 1
1.3
Safety Information ........................................................................................ 2
1.4
Abbreviation Definitions ............................................................................... 3
2.1
Preparation ................................................................................................... 4
2.2
Valve Preparation .......................................................................................... 5
2.3
Actuator Preparation ..................................................................................... 5
2.4
Lifting the EHO Actuator ............................................................................... 6
2.5
Installing the EHO Actuator on the Valve ..................................................... 11
2.6
Setting the Stroke Limit Stops ..................................................................... 12
2.7
Hydraulic Fluid ............................................................................................ 12
2.8
Accumulator (Optional) .............................................................................. 13
3.1
Remove Separate Terminal Chamber (STC) Cover ........................................ 18
3.2
Sealing Cable/Conduit Entries ..................................................................... 19
3.3
Recommended Terminal Connections ......................................................... 19
3.4
Separate Terminal Chamber (STC) Connections ........................................... 20
3.5
Replace Terminal Chamber Cover ................................................................ 20
3.6
External Earth/Ground Connections ............................................................ 21
3.7
Discrete Controlled Inputs Connection........................................................ 21
4.1
Preparation ................................................................................................. 23
4.2
Initial Check of the Unit ............................................................................... 24
4.3
Initial Connections ...................................................................................... 24
4.4
Hand Pump Operation ................................................................................ 25
4.5
Hydraulic Test ............................................................................................. 29
4.6
Check Rotation ........................................................................................... 29
4.7
Self-Calibration ........................................................................................... 30
4.8
Limit Switch Adjustment ............................................................................. 32
4.9
Function Test .............................................................................................. 34
4.10
Other Options ............................................................................................. 36
Table of Contents
September 2020
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