Samson 3274 - Page 6

1-2 EB 8340 EN
Safety instructions and measures
Personal protective equipment
No personal protective equipment is required for the direct handling of the electrohydraulic
actuator. Work on the control valve may be necessary when mounting or removing the de-
vice.
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.
Revisionsandothermodications
Revisions,conversionsorothermodicationsoftheproductarenotauthorizedbySAMSON.
Theyareperformedattheuser'sownriskandmayleadtosafetyhazards,forexample.Fur-
thermore, the product may no longer meet the requirements for its intended use.
Safety features
The limit switches automatically switch off the motor in the end positions. In actuators with
fail-safeaction,theactuatorstemmovestoadenedendpositionuponsupplyvoltagefail-
ure.Thefail-safeactionofSAMSONactuatorsisspeciedontheactuatornameplate.
Warning against residual hazards
To avoid personal injury or property damage, plant operators and operating personnel must
preventhazardsthatcouldbecausedinthecontrolvalvebytheprocessmedium,theoperat-
ing pressure, the signal pressure or by moving parts by taking appropriate precautions. Plant
operatorsandoperatingpersonnelmustobserveallhazardstatements,warningandcaution
notes in these mounting and operating instructions, especially for installation, start-up and
service work.
Responsibilities of the operator
Operators are responsible for proper use and compliance with the safety regulations. Opera-
tors are obliged to provide these mounting and operating instructions to the operating per-
sonnel and to instruct them in proper operation. Furthermore, operators must ensure that op-
erating personnel or third parties are not exposed to any danger.