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3.2.2 Mounting to QL 3-way valves
1.
Remove the actuator retaining nut from the valve.
2.
Screw the valve stem lock-nut 2 x valve stem diameters onto the valve stem.
3.
Make sure that the spindle is fully retracted into the actuator and handle is up so that the spring is
secured in place.
4.
Screw the coupling onto the stem and tighten the locking nut to secure it.
5.
Ensure that the centering adaptor is on the bonnet thread (supplied with QL valve).
6.
Place the mounting flange and actuator over the valve bonnet thread/centering adaptor.
7.
Refit the actuator retaining nut and tighten (50 Nm for M30).
8.
Pull clamp ring up until it is heard to click.
9.
Using the handle lower the actuator stem until the clamp tightens over the adaptor.
10. Ensure handle is folded back against the actuator.
Fig. 12
IM-P344-01 CTLS Issue 7
AEL3 Electric Linear Actuators
17
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