BIFFI ALGAS-MHP, Installation, Operation And Maintenance Manual

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Installation, Operation and Maintenance Manual
MAN 689 Rev. 6
Table of Contents
June 2021
Table of Contents
Table of Contents
Section 1: General Warnings
1.1 Generalities ................................................................................................... 1
1.1.1 Applicable Regulation ........................................................................ 1
1.1.2 Terms and Conditions ......................................................................... 1
1.2 Identification Plate ........................................................................................ 2
1.3 Description of the Actuator ........................................................................... 2
Section 2: Installation
2.1 Checks to be Carried Out on Receiving the Actuator...................................... 4
2.2 Storage ......................................................................................................... 4
2.3 Assembling the Actuator onto the Valve ....................................................... 5
2.3.1 Types of Assembly .............................................................................. 5
2.3.2 Valve Stem with Vertical Axis .............................................................. 9
2.3.3 Valve Stem with Horizontal Axis ........................................................ 14
Section 3: Operation and Use
3.1 Setting of the Angular Stroke ...................................................................... 16
3.1.1 Travel Stop Screw Screwed on the End Flange of
Pneumatic Cylinder .......................................................................... 16
3.1.2 Travel Stop Screw Screwed on the End Flange of
Spring Container .............................................................................. 17
3.2 Calibration of Microswitches (Biffi Limit Switch Box Only) ............................ 19
3.3 Calibration of Operating Time in Supply Operation ..................................... 22
3.4 Preparation for Start-up .............................................................................. 23
3.4.1 Pneumatic Connections ................................................................... 23
3.4.2 Electrical Connections ...................................................................... 23
3.5 Start-up ...................................................................................................... 24
Section 4: Operational Tests and Inspections
Operational Tests and Inspections..........................................................................25
Section 5: Maintenance
5.1 Routine Maintenance .................................................................................. 26
5.2 Special Maintenance ................................................................................... 27
5.2.1 Replacement of Cylinder Seals ......................................................... 28
5.2.2 Replacement of Hydraulic Cylinder Seals ........................................... 32
5.3 MHP Hydraulic Manual Override Maintenance and Troubleshooting ............ 35
5.3.1 Operation ......................................................................................... 35
5.3.2 Manual operation ............................................................................. 35
5.3.3 Remote Operation ............................................................................ 35
5.3.4 Check of Oil Level Into the Oil Tank ................................................... 36
5.3.5 Maintenance for MHP ....................................................................... 37
5.4 Lubrication of Mechanism ........................................................................... 42