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5.5 PN9000EH (handwheel) all models with exception to the
PN9337EH and PN9400EH:
Note: Ensure that the handwheel has no compressive load on the actuator springs.
-
Remove the plastic barrel plug (A), hold the actuator spindle at point (B) with a spanner
and simultaneously loosen and remove the screw (C).
-
Remove the handwheel (D), taking care not to displace the internal bearing (F).
PN9337: Remove the plastic cap (A), hold the actuator spindle at point (B) with a spanner
and simultaneously loosen the screwed insert (C).
All variants:
-
The upper housing can now be removed following the relevant steps in Section 5.2.1
-
Remove the spindle connector (E) if the diaphragm needs to be replaced.
-
To re-attach the handwheel, the above procedure should be reversed ensuring the
correct torques are used.
-
Caution: care must be taken not to damage the diaphragm. Ensure the actuator spindle
does not rotate when tightening the spindle connector. The handwheel must not have
anycompressive load on the springs when returning to automated control.
Table 2 Recommended tightening torques
Screw C Spindle connector E
N m lbf ft N m lbf ft
20 29.5 40 29.5
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