Flowserve 420 IOM - Manual (Page 3)

User Instructions - Logix® 420 Series Digital Positioners FCD LGENIM0106-06 12/13
flowserve.com
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GENERAL INFORMATION
1.1 Using This Document
Product users and maintenance personnel should thoroughly
review this manual prior to installing, operating, or performing
any maintenance on the positioner.
The following instructions are designed to assist in unpacking,
installing and performing maintenance as required on Logix®
420 positioners. .
Separate Flow Control Products User Instructions cover the
valve, actuator, or portions of the system and other accessories.
Refer to the appropriate instructions when this information is
needed. In most cases FLOWSERVE valves, actuators and
accessories are designed for specific applications with regard to
medium, pressure and temperature. For this reason they
should not be used in other applications without first
contacting the manufacturer.
To avoid possible injury to personnel or damage to positioner
parts, DANGER 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, and may void existing warranties.
1.2 Terms Concerning Safety
The safety terms DANGER, 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.
NOTE:
Indicates and provides additional technical information,
which may not be very obvious even to qualified personnel.
CAUTION: Indicates that minor personal injury and/or
property damage can occur if proper precautions are not taken.

DANGER: Indicates that death, severe personal injury
and/or substantial property damage can occur if proper
precautions are not taken.
Compliance with other, not particularly emphasized notes, with
regard to assembly, operation and maintenance and 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.
1.3 Protective Clothing
FLOWSERVE positioners use high pressure gas to operate. Use
eye protection when working around pressurized equipment.
Follow proper procedures for working with natural gas if it is
used.

DANGER:
Standard industry safety practices must be
adhered to when working on this or any process control product.
Specifically, personal protective equipment must be used as
warranted.
1.4 Qualified Personnel
Qualified personnel are people who, on account of their
training, experience, instruction and their knowledge of
relevant standards, specifications, accident prevention
regulations and operating conditions, have been authorized by
those responsible for the safety of the plant to perform the
necessary work and who can recognize and avoid possible
dangers.
In unpacking, installing and performing maintenance as
required on FLOWSERVE products, product users and
maintenance personnel should thoroughly review this manual
prior to installing, operating or performing any maintenance.
1.5 Valve and Actuator Variations
These instructions cannot claim to cover all details of all
possible product variations, nor can they provide information
for every possible example of installation, operation or
maintenance. This means that the instructions normally include
only the directions to be followed by qualified personal where
the product is being used for its defined purpose. If there are
any uncertainties in this respect particularly in the event of
missing product-related information, clarification must be
obtained via the appropriate Flowserve sales office.
1.6 Spare Parts
Use only FLOWSERVE original spare parts. FLOWSERVE
cannot accept responsibility for any damages that occur from
using spare parts or fastening materials from other
manufactures. If FLOWSERVE products (especially sealing
materials) have been in storage for longer periods check
these for corrosion or deterioration before using these
products. See section 4 STORAGE AND UNPACKING more
information.
1.7 Service / Repair
To avoid possible injury to personnel or damage to products,
safety terms must be strictly adhered to. Modifying this
product, substituting non-factory parts, or using maintenance
procedures other than outlined in this instruction could
drastically affect performance and be hazardous to personnel
and equipment, and may void existing warranties.
Between actuator and valve there are moving parts. To avoid
injury FLOWSERVE provides pinch-point-protection in the