A4
US
US
A4
US
A4
US
A4
18
CMQ - QuARTeR-TuRn unIT - MounTIng
CAuTIon
It is essential that mounting procedure is carried out
when the valve is not under working process conditions,
as full valve movement may occur.
IMpoRTAnT
It is essential that the actuator is mounted correctly to
the valve, damper or other device.
The Installation & Setup will include the following procedures:
1. Prepare the Drive Coupling.
2. Ensure Valve position is noted and safe (Offline).
3. Mount and align actuator to valve.
4. Adjust Actuator Stop Bolts.
5. Carry out Basic Setup.
ACTuAToR sTop boLTs
The Quarter-turn CMQ actuators have two end of travel stop
bolts adjustable between 80 to 100 degrees of travel rotation.
The Stop Bolts are set to a nominal 90 degrees of travel at
the factory. These must be adjusted to suit the required valve
travel BEFORE attempting to set the electrical travel limits.
The Clockwise end of travel stop bolt is on the right as viewed
in Fig. 18.2.
Mounting the Actuator
Fig. 18.1
Fig. 18.2