EB AT-RP-4GU EN 5-3
Mounting and assembly
6. Place the bracket, if any, over the valve flange, tighten all
bolts and nuts and apply the correct tightening torque.
7. Assemble the coupling at first into the valve stem before
the assembly of the actuator.
8. Lift the actuator.
Risk of damage due to incorrect alignment
Î Support the actuator with the lifting equipment until the
connection bolts are completely tightened.
Î Make sure to align correctly the dowel pins or the spigot,
if any.
9. Align the valve stem/coupling to the actuator’s bore.
10.
Carefully lower the actuator and engage the valve stem/
coupling into the actuator’s bore without forcing and dri-
ving the actuator into the position only with the weight of
the actuator itself.
11.
Fix the actuator over the valve flange/bracket with the
connection bolts.
12. Tighten the connection bolts at the correct tightening tor-
que as per ISO 5211.
WARNING
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