14 IQ3 manual – Section: Mounting the Actuator
6. Mounting the Actuator
Refer to Section 11 Weights and
Measures for actuator weight.
Ensure the valve is secure before fitting
the actuator as the combination may
be top heavy and therefore unstable.
If it is necessary to lift the actuator
using mechanical lifting equipment
certified slings should be attached as
indicated in Fig. 6.2.1 for vertical shafts
and Fig. 6.2.2 for horizontal shafts.
At all times trained and experienced
personnel should ensure safe lifting
particularly when mounting actuators.
WARNING: The actuator should
be fully supported until full valve
shaft engagement is achieved and
the actuator is secured onto the
valve flange.
A suitable mounting flange confirming
to ISO 5210 or USA Standard MSS
SP101 must be fitted to the valve.
Actuator to valve fixing must confirm
to Material specification ISO Class 8.8,
yield strength 628 N/mm
2
.
WARNING: IQ Cover Tubes.
Cover tubes not supplied by Rotork
shall be designed to ensure that
they do not exceed BOTH mass
and moment parameters listed in
Section 11 Weights and Measures.
WARNING: Do not lift the
actuator and the valve combination
via the actuator. Always lift the
valve/actuator assembly via the
valve.
Each assembly must be assessed on an
individual basis for lifting.
WARNING: If the actuator
orientation when installed is
inverted (base up), additional oil
is required to ensure adequate
lubrication. The user should top up
the oil by the quantity stated in the
table under section 11 Weights and
Measures. Failure to do will cause
premature wear.
Fig. 6.2.1
Fig. 6.2.2
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