TABLE OF CONTENTS
1General warnings ................................................................ 4
1.1 GENERALITIES..........................................................................4
Applicable regulation .......................................................................4
Terms and conditions ......................................................................4
1.2 Identification plate .......................................................................5
1.3 INTRODUCING THE ACTUATOR..............................................5
1.4 DATA SHEET..............................................................................6
2Installation........................................................................... 6
2.1 CHECKS UPON ACTUATOR RECEIPT.....................................6
2.2 ACTUATOR HANDLING.............................................................7
2.3 STORAGE.................................................................................10
2.4 ACTUATOR ASSEMBLY ON THE VALVE ...............................10
Types of assembly.........................................................................10
Assembly procedure......................................................................11
2.5 hydraulic CONNECTIONS ........................................................13
2.6 ELECTRICAL CONNECTIONS (IF ANY)..................................13
2.7 COMMISSIONING ....................................................................14
3Operation and use ............................................................. 15
3.1 OPERATION DESCRIPTION....................................................15
3.2 RESIDUAL RISKS.....................................................................16
3.3 OPERATIONS...........................................................................16
3.4 CALIBRATION OF THE ANGULAR STROKE ..........................18
3.5 CALIBRATION OF MICROSWITCHES (biffi limit switch box only)
22
3.5 CALIBRATION OF THE OPERATION TIME.............................24
4Operational tests and inspections...................................... 26
5Maintenance ...................................................................... 27
5.1 PERIODIC MAINTENANCE......................................................27
5.2 EXTRAORDINARY MAINTENANCE ........................................30
5.3 Lubrication of mechanism .........................................................38
5.4 DISMANTLING AND DEMOLITION...........................................39
6Troubleshooting ................................................................ 40
6.1 FAILURE OR BREAKDOWN RESEARCH ...............................40
7Layouts.............................................................................. 41
7.1 Spare parts order ......................................................................41
7.2 parts-list for maintenance and replacing procedure...................42
8Date report for maintenance operations.................................. 50
