MAINTENANCE
Series 292
20/31
Edition 2015-05-18
603585EA
6.3.3
Dismount actuator / plate assembly – main valve
WARNING
Movable parts
Human body parts may get jammed and severely injured.
Keep human body parts away from movable parts.
The follow item numbers in brackets refer to «Figure 6-2» on page 17.
Open the valve by means of
compressed air and hold the position
with a nonreturn valve.
If a solenoid valves is assembled to the
actuator you may use the emergency
operation knob on the solenoid valve to
remain the valve opened
Loosen and remove screws (60)
uniformly and in crosswise order
Withdraw actuator / plate assembly
carefully from body and vent the
compressed air
Remove bonnet seal (62) from groove
by using an O-ring removal tool
Remove the plate seal (61) from groove
by using O-ring removal tool
Loosen screws (42) and remove
position indicator
Loosen and remove switching cam
(41)
Turn coil spring (40) with a screwdriver
approx. 20° counter-clockwise and pull
it out of the groove
Remove solenoid valve (in case it’s
available)
