TABLE OF CONTENTS
1General warnings ................................................................ 4
1.1 Generalities.................................................................................4
1.1.1Applicable regulation...............................................................4
1.1.2Terms and conditions..............................................................4
1.2 Identification plate .......................................................................5
1.3 introducing the actuator...............................................................5
1.4 data sheet ...................................................................................6
2Installation........................................................................... 7
2.1 checks upon actuator receipt ......................................................7
2.2 actuator handling.........................................................................7
2.3 storage......................................................................................10
2.4 actuator assembly on the valve.................................................10
2.4.1Types of assembly ................................................................10
2.4.2Assembly procedure..............................................................15
2.5 pneumatic connections..............................................................16
2.6 electrical connections (if any)....................................................16
2.7 commissioning...........................................................................17
3Operation and use ............................................................. 18
3.1 operation description.................................................................18
3.2 residual risks .............................................................................22
3.3 operations .................................................................................22
3.3.1Local pneumatic operation....................................................22
3.3.2Local hydraulic manual operation..........................................23
3.3.3Remote operation..................................................................23
3.4 calibration of the angular stroke ................................................24
3.5 calibration of microswitches (if foreseen) ..................................26
3.6 calibration of the operation time ................................................32
4Operational tests and inspections...................................... 33
5Maintenance ...................................................................... 34
5.1 periodic maintenance................................................................34
5.1.1Check and restore oil level in the gas-hydraulic tanks...........35
5.2 Extraordinary maintenance .......................................................36
5.2.1Replacing the seals ..............................................................36
5.3 Dismantling and demolition........................................................42
5.4 Lubrication of mechanism..........................................................43
6Troubleshooting ................................................................ 44
6.1 failure or breakdown research...................................................44
7Layouts.............................................................................. 45
7.1 Spare parts order ......................................................................45
7.2 parts-list for maintenance and replacing procedure...................46
8 Date report for maintenance operations ............................ 55