GEA VARIVENT DN 25, Инструкция по эксплуатации

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Fig.12
Requirement:
• No solenoid valve must be actuated electrically.
If required, operate the pilot valve with manual override.
• The pneumatic and electrical connections on the plant side can remain on the
control top.
Caution!
The switch bar is sensitive and must be protected from impact
stress.
Damage to switch bar.
► Protect the switch bar against impact stress.
Warning!
Spring tension in the valve
Danger of injury when detaching the clamp connection (43) as the released
spring pretension will suddenly lift the actuator.
► Therefore, release the spring tension before detaching the clamp
connection by pressurising the actuator with compressed air at max. 8 bar.
Carry out the following steps:
1.
Remove snap rings (43) from the control top (B).
The pneumatic and electrical connections on the plant side can remain on the
control top.
Maintenance
Disassembly
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