- 2 -
Contents
1. General ....................................................................................................... 3
1.1 Introduction to Actuator ...................................................................................................... 3
1.2 Actuator Structure ................................................................................................................ 3
2. Storage ....................................................................................................... 4
3. Operation ................................................................................................... 5
3.1 Inspections before Operation ............................................................................................. 5
4. Maintenance and Repair ........................................................................... 6
4.1 Valve Disassembly ............................................................................................................... 6
4.2 Disassembly and Assembly of Actuator ............................................................................ 7
4.2.1 Disassembly (See Fig 4.1) ................................................................................................7
4.2.2 Assembly (See Fig 4.1) ....................................................................................................7
5. Preventive Maintenance and Troubleshooting ....................................... 9
5.1 Troubleshooting ................................................................................................................... 9
6. Dimension Table ...................................................................................... 10
6.1 Double Acting Type ............................................................................................................ 10
6.2 Spring Return Acting Type ................................................................................................ 12