Samson 3278, Translation Of Original Instructions

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Contents
EB 8321 EN
8 Servicing and conversion ............................................................................8-1
8.1 Periodic testing ........................................................................................... 8-2
8.2 Preparation for servicing or conversion work ................................................. 8-2
8.3 Mounting the actuator on the valve after service or conversion work ............... 8-2
8.4 Service work ............................................................................................... 8-2
8.4.1 Replacing the diaphragm ............................................................................ 8-2
8.5 Conversion work ......................................................................................... 8-3
8.5.1 Changing the fail-safe action/reversing the direction of action ....................... 8-3
8.5.2 Changing the bench range .......................................................................... 8-3
8.6 Ordering spare parts and operating supplies ................................................ 8-4
9 Decommissioning .......................................................................................9-1
10 Removal ..................................................................................................10-1
10.1 Removing the actuator from the valve ......................................................... 10-1
10.2 Relieving the spring compression in the actuator .......................................... 10-1
11 Repairs ....................................................................................................11-1
11.1 Returning devices to SAMSON .................................................................. 11-1
12 Disposal ...................................................................................................12-1
13 Annex ......................................................................................................13-1
13.1 Tightening torques ..................................................................................... 13-1
13.2 Spare parts .............................................................................................. 13-1
13.3 After-sales service ..................................................................................... 13-3