10.6
Disassembling Valve W
10.6.1 Manually lift valve W
Fig.18
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
Carry out the following steps:
1.
Release three cheese head screws (25) and take off the cap (B1).
2.
Pressurize the actuator with compressed air, max. 8 bar, by activating
solenoid valve (Y1 at the manual operation element (S).
®
The valve disk is raised.
3.
Vent the actuator.
Spring-opening valve
Notice
The valve disk, the bearing disk and the sealing washer are
sensitive parts.
Damage to these parts can result in malfunction.
► When the shaft of the valve disc is pulled out, the stem of the valve disc
must not hit the valve housing!
► The bearing disk and the sealing washer 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valve disk when the valve insert is withdrawn.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.
Carry out the following steps:
1.
Release three cheese head screws (25) and take off the cap (B1).
Maintenance
Disassembling Valve W
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Summary of Contents for VARIVENT W
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