GEA VARIVENT Operating Instructions Manual page 43

Spring-opening valve
Carry out the following steps:
1.
2.
Fig.18
®
3.
430BAL011665EN_5
21.03.2023
Notice
The valve disk (15), the bearing disk (4) and the sealing disk (3)
are sensitive parts.
Damage to these parts can result in a malfunction.
► When the valve is pulled out, the stem of the valve disk (15) must not hit
the valve housing!
► The bearing disk (4) and the sealing disk (3) must not hit the stem of the
valve disk when the valve insert is withdrawn.
► Do not set the valve insert down on the valve disk but lay it down.
Release three cheese head screws (25) and take off the cap (B1).
Depressurise the actuator by deactivating the solenoid valve (Y1) at the
manual operation element (S).
The valve disk (15) is raised.
Remove the clamp connections (43.1).
Fig.19
Maintenance
Disassembly
43