Table of Contents
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Contents
8
Servicing and conversion work ...................................................................8-1
8.1
Periodic testing ...........................................................................................8-2
8.2
Preparation for servicing or conversion work .................................................8-3
8.3
8.4
Service work...............................................................................................8-3
8.4.1
Replacing the diaphragm ............................................................................8-3
8.5
Conversion work .........................................................................................8-5
8.5.1
Reversing the direction of action (fail-safe action) ..........................................8-5
8.6
Ordering spare parts and operating supplies ................................................8-6
9
Decommissioning .......................................................................................9-1
10
Removal ..................................................................................................10-1
10.1
Removing the actuator from the valve .........................................................10-2
10.2
Relieving the spring compression in the actuator ..........................................10-2
11
Repairs ....................................................................................................11-1
11.1
Returning devices to SAMSON ..................................................................11-1
12
Disposal ...................................................................................................12-1
13
Appendix .................................................................................................13-1
13.1
Tightening torques, lubricants and tools ......................................................13-1
13.2
Spare parts ..............................................................................................13-1
13.3
After-sales service .....................................................................................13-4
4
EB 5840 EN
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Table of Contents
