D A N G E R !
Working on products that have
not been disconnected from the power
supply can cause serious injury or death
to persons. Installation, maintenance,
and repair work may only be carried out
by qualified experts on products that
have been disconnected from the power
supply. The supply voltage must be
turned off before any product compo-
nents are opened. .
D A N G E R !
Centralized lubrication systems
are under pressure when they are being
operated. Such systems must therefore
be depressurized before starting instal-
lation, maintenance, or repair work and
before making any changes to the
system.
Authorized personnel
The products described in the installation
instructions may only be installed, operated,
maintained, and repaired by qualified ex-
perts. Qualified experts are persons who
have been trained, instructed, and familia-
rized with the end product into which the
described product is installed.
These persons are considered capable of
such tasks due to their education, training,
and experience with valid standards, condi-
tions, accident prevention regulations in ef-
fect, and installation conditions. They should
be able to carry out the required tasks and to
recognize – and thus avoid – any dangers
that might otherwise occur.
A definition of what constitutes a qualified
person and who are unqualified persons are
stipulated in DIN VDE 0105 and IEC 364.
Danger relating to electric
current
The electrical connection for the described
product may only be established by qualified,
instructed persons who have been autho-
rized by the operator or owner to carry out
this task. If the product is improperly
connected, substantial material or personal
damage my be the consequence.
Danger relating to system
pressure
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