Samson 3271 Original Instructions Manual

Also see for 3271: Mounting and operating instructions Mounting and operating instructions Mounting and operating instructions Mounting and operating instructions Mounting and operating instructions

Contents

ContentsEB 8310-6 EN6 Start-up .....................................................................................................6-16.1 Preloading the springs .................................................................................6-26.1.1 Tensioning the springs .................................................................................6-26.1.2 Increasing the actuator thrust .......................................................................6-36.1.3 Adapting the travel range ............................................................................6-46.2 Travel stop ..................................................................................................6-46.2.1 Bottom travel stop (minimum travel) ..............................................................6-46.2.2 Top travel stop (maximum travel) ..................................................................6-46.3 Version with handwheel...............................................................................6-56.3.1 Extending the actuator stem manually ...........................................................6-66.3.2 Retracting the actuator stem manually ...........................................................6-67 Operation ..................................................................................................7-17.1 Throttling service .........................................................................................7-17.2 On/off service ............................................................................................7-17.3 Manual mode (versions with handwheel only) ...............................................7-27.4 Additional notes concerning operation .........................................................7-28 Malfunctions ..............................................................................................8-18.1 Troubleshooting ..........................................................................................8-18.2 Emergency action .......................................................................................8-29 Service and conversion work ......................................................................9-19.1 Periodic testing ...........................................................................................9-29.2 Preparation for servicing or conversion work .................................................9-29.3 Mounting the actuator on the valve after servicing or conversion work ............9-39.4 Service work...............................................................................................9-39.4.1 Replacing the diaphragm ............................................................................9-39.4.2 Replacing the actuator stem seals .................................................................9-79.5 Conversion work .........................................................................................9-99.5.1 Reversing the direction of action (fail-safe action) ..........................................9-99.6 Ordering spare parts and operating supplies ..............................................9-1210 Decommissioning .....................................................................................10-111 Removal ..................................................................................................11-111.1 Removing the actuator from the valve .........................................................11-211.2 Relieving the spring compression in the actuator ..........................................11-212 Repairs ....................................................................................................12-112.1 Returning devices to SAMSON ..................................................................12-113 Disposal...................................................................................................13-1