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111 6138 050 E
To replace the hand-wheel gasket of a direct action device (DA):
•
Remove the hand-wheel assembly and cap. For refit see: Fitting and removing hand wheel.
•
Remove the circlip, then the nylon spacer and replace the gasket.
•
Refit nylon spacer and circlip then refit hand-wheel etc.
To replace the hand-wheel gasket of a reverse action device (RA):
Condition: The actuator is in-situ.
•
Remove actuator as in paragraph: Replacing the actuator and changing the DA or RA mode.
•
Replace the gasket as in paragraphs To replace the hand-wheel gasket of a direct action device (DA)
•
For refit, carry out in reverse order.
Replacing the diaphragm of a Direct Action or Reverse Action device:
•
Remove the hand-wheel assembly and cap. For refit see paragraphs: Fitting and removing hand wheel.
•
Remove the nuts and bolts around the circumference of the actuator.
•
Remove the housing top half.
•
Slowly unscrew the spindle and remove the pressure disc.
•
Carefully! Replace the diaphragm.
•
Reassemble and refit the actuator.
Caution:
The replacement gasket must be greased before use. Use
only silicone free lubricants.
Pressure disc
Diaphragm
Stem
Housing top half
9
A
25
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