Samson 4765 - Safety Instructions and Measures; Intended Use and Foreseeable Misuse; Personnel Qualifications and Responsibilities

EB 8359-1 EN 5
Safety instructions and measures
1 Safety instructions and measures
Intended use
The SAMSON Type4765 Positioner is mounted on pneumatic control valves and used to
assign the valve position to the control signal. The device is designed to operate under
exactly dened conditions (e.g. operating pressure, temperature). Therefore, operators must
ensure that the positioner is only used in applications where the operating conditions
correspond to the technical data. In case operators intend to use the positioner in other
applications or conditions than specied, contact SAMSON.
SAMSON does not assume any liability for damage resulting from the failure to use the
device for its intended purpose or for damage caused by external forces or any other
external factors.
Î Refer to the technical data for limits and elds of application as well as possible uses.
Reasonably foreseeable misuse
The Type4765 Positioner is not suitable for the following applications:
− Use outside the limits dened during sizing and by the technical data
Furthermore, the following activities do not comply with the intended use:
− Use of non-original spare parts
− Performing maintenance activities not specied by SAMSON
Qualications of operating personnel
The positioner must be mounted, started up and serviced by fully trained and qualied
personnel only; the accepted industry codes and practices must be observed. According to
these mounting and operating instructions, trained personnel refers to individuals who are
able to judge the work they are assigned to and recognize possible hazards due to their
specialized training, their knowledge and experience as well as their knowledge of the
applicable standards.
Personal protective equipment
No personal protective equipment is required for the direct handling of the positioner. Work
on the control valve may be necessary when mounting or removing the device.
Î Observe the requirements for personal protective equipment specied in the valve docu-
mentation.
Î Check with the plant operator for details on further protective equipment.