10.6.4 Releasing the Valve Disk
Fig.20
Requirement:
•
No solenoid valve must be actuated electrically or manually.
•
The pneumatic and electrical connections on the plant side can remain on the
control top.
Spring-closing valve
Warning!
Spring tension in the valve
There is a risk of injury when dismantling a spring-closing valve as the
released spring tension will suddenly lift the actuator.
► Do not put your hand into the valve housing.
► Before releasing the clamp connection (46), pre-tension the actuator with
an emergency manual actuator (H) (material no. 221.310.74).
Notice
The permanent magnet on the switch bar is fragile.
Damage to the permanent magnet.
► Protect the permanent magnet against impact stress.
Carry out the following steps:
1.
Remove the clamps (R) between control top and actuator.
Maintenance
Disassembling Valve W
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Summary of Contents for VARIVENT X
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