Safety instructions 11/44
RE29583-XH-B/09.19, 4WS2EM10..5X/...XH...,
Bosch Rexroth AG
2.4 Qualification of personnel
The activities described in this documentation require basic knowledge of
mechanics, electrics and hydraulics as well as knowledge of the appropriate
technical terms. In order to ensure safe use, these activities may only be carried out
by an expert in the respective field or an instructed person under the direction and
supervision of an expert.
Experts are those who are able to recognize potential dangers and apply the
appropriate safety measures due to their professional training, knowledge and
experience, as well as their understanding of the relevant conditions pertaining
to the work to be undertaken. An expert must observe the relevant specific
professional rules and have the necessary expert knowledge.
For example, for hydraulic products, the term expert knowledge refers to the
following:
• Reading and completely understanding hydraulic schemes,
• In particular, completely understanding the correlations regarding the safety
equipment and
• having knowledge of the function and set-up of hydraulic components.
Personnel shall be qualified as follows to the extent necessary to fulfill their tasks:
• Understanding of the general principles of explosion protection, protection classes
and device labeling
• Understanding of the corresponding aspects affecting the protection concept
• Understanding of the contents of certificates and relevant parts of this standard
• General understanding of the test, maintenance and repair requirements from
IEC 60079-17
• Familiarity with the specific methods to be used for selection and construction of
devices referenced in this standard
• Understanding of the additional importance of work permit systems and safe
electrical separation regarding explosion protection
Bosch Rexroth offers measures supporting training in specific fields. You can find
an overview of the training contents on the Internet at:
http://www.boschrexroth.de/didactic
Qualification of personnel
for installation and
commissioning of valves in
explosion-protected areas
