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Safety instructions
Hengst Filtration GmbH
, OPM II, RE 51460-B/04.2021
2.4 Qualification of personnel
The activities described in this documentation require basic knowledge of 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 a corresponding expert
or an instructed person under the direction and supervision of an expert.
Experts are those who can recognize potential hazards 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 hydraulic expert knowledge.
Hydraulic expert knowledge means, amongst others:
• Reading and completely understanding hydraulic schemes,
• In particular, completely understanding the correlations regarding the safety equip-
ment and
• Having knowledge of the function and set-up of hydraulic components,
• Assembling and disassembling hydraulic and mechanical parts,
• Commissioning hydraulic systems and assemblies.
2.5 General safety instructions
• Observe the valid regulations on accident prevention and for environmen-
tal protection.
• Observe the safety regulations and provisions of the country where the product is
implemented/used.
• Exclusively use Hengst products in technically perfect condition.
• Observe all notices on the product.
• Persons assembling, operating, disassembling or maintaining Hengst products
must not be under the influence of alcohol, other drugs or medications influencing
the ability to react.
• Only use accessories and spare parts approved of by the manufacturer in order to
exclude hazards to persons due to unsuitable spare parts.
• Comply with the technical data and environmental conditions indicated in the prod-
uct documentation.
• The installation or use of inappropriate products in safety-relevant applications
could result in unintended operating conditions when being used which in turn
could cause personal injuries and/or damage to property. Therefore, only use
a product for safety-relevant applications if this use is expressly specified and per-
mitted in the documentation of the product, e.g. in explosion-protected areas or in
safety-related parts of control systems (functional safety).
