Samson 5857, Mounting And Operating Instructions, Page: 51 / 80

EB 5857 EN 12-1
Removal
12 Removal
The work described in this section is only to
be performed by personnel appropriately
qualified to carry out such tasks.
Risk of fatal injury due to electric shock.
Î
Before disconnecting live wires, switch
off the supply voltage at the actuator and
protect it against unintentional reconnec-
tion.
Risk of bursting in control valve compo-
nents due to incorrect opening.
Î
Before starting any work on the control
valve, depressurize all plant sections af-
fected as well as the valve.
Î
Drain the process medium from all the
plant sections affected.
Î
Wear recommended personal protective
equipment (see associated valve docu-
mentation).
1. Disconnect the wires of the connecting
lines.
2. Retract the actuator stem using the hand-
wheel (see the 'Operation' section).
3. Undo the coupling nut and remove the
actuator from the valve connection.
DANGER !
DANGER !