Air Torque AT751U - Default Chapter; Table of Contents

EB AT-RP-4GU EN
Contents
1 Safety instructions and measures ................................................................................................................. 1-1
1.1 Notes on possible severe personal injury ....................................................................................................... 1-2
1.2 Notes on possible personal injury ................................................................................................................. 1-2
1.3 Notes on possible property damage ............................................................................................................. 1-2
2 Markings on the device ............................................................................................................................... 2-1
2.1 Actuator nameplate sample .......................................................................................................................... 2-1
3 Design and principle of operation ................................................................................................................ 3-1
3.1 Direction of action and fail position .............................................................................................................. 3-1
3.2 Complementary/accessory parts .................................................................................................................. 3-2
3.3 Technical data ............................................................................................................................................. 3-2
4 Shipment and on-site tranport ..................................................................................................................... 4-1
4.1 Accepting the delivered goods ...................................................................................................................... 4-1
4.2 Removing the packaging from the actuator .................................................................................................... 4-1
4.3 Transporting and lifting the actuator .............................................................................................................. 4-1
4.3.1 Transporting the actuator .............................................................................................................................. 4-1
4.3.2 Lifting the actuator ....................................................................................................................................... 4-1
4.4 Storing the actuator ..................................................................................................................................... 4-2
5 Mounting and assembly .............................................................................................................................. 5-1
5.1 Preparation for installation ........................................................................................................................... 5-1
5.2 Control and signal devices assembly ............................................................................................................. 5-1
5.3 Mounting the actuator over the valve ............................................................................................................. 5-1
6 Start-up ...................................................................................................................................................... 6-1
7 Operation ................................................................................................................................................... 7-1
8 Malfunctions ............................................................................................................................................... 8-1
8.1 Troubleshooting ........................................................................................................................................... 8-1
8.2 Emergency action ........................................................................................................................................ 8-1
9 Service ....................................................................................................................................................... 9-1
9.1 Preparation for servicing .............................................................................................................................. 9-1
9.2 Part list ....................................................................................................................................................... 9-2
9.3 Disassembly ................................................................................................................................................ 9-4
9.4 Service operations ....................................................................................................................................... 9-6
9.5 Reassembly ................................................................................................................................................. 9-6
10 Decommissioning ........................................................................................................................................ 10-1
11 Removal ..................................................................................................................................................... 11-1
12 Repairs ....................................................................................................................................................... 12-1
13 Disposal ..................................................................................................................................................... 13-1
14 Certificates ................................................................................................................................................. 14-1
15 Annex ........................................................................................................................................................ 15-1
15.1 Tools ........................................................................................................................................................... 15-1
15.2 Tightening torque ......................................................................................................................................... 15-3
15.3 Lubricants .................................................................................................................................................... 15-4