27
Mechanical installation
7.4.1
Turning the actuator, devices with hexnut
The following description only applies for devices with hexnut on the actuator.
For devices without a hexnut on the actuator: refer to the section "Turning the actuator, devices
without hexnut" in the operating instructions.
The position of the connections can be infinitely adjusted by rotating the actuator through 360°.
Actuator
Actuator
Hexnut
Hexnut
Body connection
Body connection
Valve body
Valve body
Figure 17:
Turning the actuator (1)
→
Clamp the valve body into a holding device (only for valves not yet installed).
NOTE
Damage to the seat seal or the seat contour.
▶
When turning the actuator, the valve must be open.
→
For control function A and I*:
Apply compressed air to pilot air port 1.
→
Switching the device manually with pilot valve (see chapter).
→
Using a suitable open-end wrench, counter the wrench flat on the body connection.
→
Place a suitable open-end wrench on the hexagonal bolt of the actuator.
DANGER
Risk of injury from high pressure and discharge of medium.
If the direction of rotation is wrong, the body connection may become detached.
▶
Only turn the actuator is the prescribed direction.
→
Move the actuator to the required position by
turning it counter-clockwise
(viewed from below).
Figure 18:
Turning the actuator (2)
*
if variant exists
english
Type 8691 REV.3
Summary of Contents for 8691 REV.3
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