1 Safety
Linear actuators MC250 • MC253 • MC500 • MC503
4 Version 2.1 - March 2011 Operating Manual
1 Safety
Read these Operating Instructions carefully particularly the following safety
instructions prior to installation and operation.
DANGER
Directly threatening hazard leading to death or serious physical injuries.
WARNING
Potentially hazardous situation which may lead to death or serious physical
injuries.
CAUTION
Potentially hazardous situation which could lead to minor physical injuries.
Indicates a hazard which may cause material damage.
ATTENTION
Potentially hazardous situation where the product or an object in its environment
may get damaged.
Hint: Utilisation instructions and other useful information.
1.1 Proper use
Linear actuators MC250/24, MC250/230, MC253/24, MC253/230, MC500/24,
MC500/230, MC503/24, MC503/230 are controlled by three-point control or
constant control. Linear actuators in the series described in these Operating
Instructions are used for valve stroke adjustment.
Concurrence of the above type designation with the linear actuator rating plate
must be checked prior to starting any operations in order to guarantee utilisation
in accordance with specification. The data on the rating plate is decisive for linear
actuator technical data and mains power supply requirements.
Any utilisation for tasks other than the aforementioned usage in accordance with
specification and operating with mains power supply ratios other than those
permitted is not deemed to be utilisation in accordance with specification. The
operator bears sole liability for the risk to persons and machine and other assets
in the event of utilisation not in accordance with specification.
The intended use also includes the compliance with accident preventions, DIN
VDE regulations and safe working practices for all measures described in these
operating instructions in due consideration of prevailing rules.
1.2 Information for the operator
Always keep the Operating Instructions available at the linear actuator
deployment site.
Observe the current health and safety, accident prevention and DIN VDE
standards for installation, operation and maintenance.
Take into consideration any additional regional, local or in-house safety
regulations.
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