Flowserve Spring Diaphragm Rotary Actuators - Manual (Page 3)

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Spring Diaphragm Rotary Actuators FCD VLAIM050-01 – 05/12
Terms Concerning Safety
The safety terms DANGER, WARNING, CAUTION and NOTE are used in these instructions to
highlight particular dangers and/or to provide additional information on aspects that may not
be readily apparent.
DANGER: indicates that death, severe personal injury and/or substantial property damage
will occur if proper precautions are not taken.
WARNING: indicates that death, severe personal injury and/or substantial property
damage can occur if proper precautions are not taken.
CAUTION: indicates that minor personal injury and/or property damage can occur if proper
precautions are not taken.
NOTE: indicates and provides additional technical information, which may not be very
obvious even to qualified personnel. Compliance with other, not particularly emphasized
notes, with regard to transport, assembly, operation and maintenance and with regard
to technical documentation (e.g. in the operating instruction, product documentation or on
the product itself) is essential, in order to avoid faults, which in themselves might directly or
indirectly cause severe personal injury or property damage.
General Information
The following instructions are designed to assist in unpacking, installing and performing
maintenance as required on Flowserve Spring Diaphragm Rotary Actuators. Product users and
maintenance personnel should throroughly review this bulletin prior to installing, operating
or performing any maintenance on the actuator. Separate maintenance instructions cover
additional components, such as Valdisk and ShearStream body com ponents, MaxFlo 3, Valdisk
and ShearStream body assemblies, fail-safe systems, limit switches, handlevers, position
transmitters and handwheels.
This publication does not contain information on Flowserve positioners. Refer to the appropriate
maintenance bulletin for installing, calibrating, maintaining, troubleshooting and operating
Flowserve positioners.
To avoid possible injury to personnel or damage to valve parts, WARNING and CAUTION
notes must be strictly followed. Modifying this product, substituting non-factory parts or
using maintenance procedures other than outlined could drastically affect performance
and be hazardous to personnel and equipment.