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Samson Manuals
Controller
2780-2
Mounting and operating instructions
Samson 2780-2 Mounting And Operating Instructions
Pneumatic actuators
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Safety Instructions and Measures
Notes on Possible Severe Personal Injury
Notes on Possible Personal Injury
Notes on Possible Property Damage
2 Markings on the Device
Actuator Nameplate
3 Design and Principle of Operation
Direction of Action
Signal Pressure Routing
Fail-Safe Action
Version with Direction of Action "Actuator Stem Extends
Version with Direction of Action "Actuator Stem Retracts
Accessories
Technical Data
4 Shipment and On-Site Transport
Accepting the Delivered Goods
Removing the Packaging from the Actuator
Transporting and Lifting the Actuator
Transporting the Actuator
Lifting the Actuator
Storing the Actuator
5 Mounting
Preparation for Mounting
Mounting the Actuator
Mounting the Actuator Onto the Valve
Connecting the Air Supply
6 Operation
Supply Pressure in Closed-Loop Operation
7 Malfunctions
Troubleshooting
Emergency Action
8 Servicing and Conversion Work
Periodic Testing
Preparation for Servicing or Conversion Work
Mounting the Actuator on the Valve after Servicing or Conversion Work
Service Work
Replacing the Diaphragm
Conversion Work
Reversing the Direction of Action (Fail-Safe Action)
Ordering Spare Parts and Operating Supplies
9 Decommissioning
10 Removal
Removing the Actuator from the Valve
Relieving the Spring Compression in the Actuator
11 Repairs
Returning Devices to SAMSON
12 Disposal
13 Appendix
Tightening Torques, Lubricants and Tools
Spare Parts
After-Sales Service
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EB 5840 EN
Translation of original instructions
Type 2780‑1
Type 2780‑2
Type 2780-1 and Type 2780-2 Pneumatic Actuators
Actuator area: 120 cm²
Edition July 2019
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