Maintenance And Repair - ABB LD 800HSE Manual

Appendix D Linking Device for Zone 2 Explosion and Protection Environment
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Maintenance and Repair

Definition of terms according to IEC 60079-17:
Maintenance: defines a combination of any actions carried out to retain an item in,
or restore it to, conditions in which it is able to meet the requirements of the relevant
specification and perform its required functions.
Inspection: defines any action comprising careful scrutiny of an item carried out
either without dismantling, or with the addition of partial dismantling as required,
supplemented by means such as measurement, in order to arrive at reliable
conclusion as to the condition of an item.
Visual inspection: defines an inspection which identifies, without the use of access
equipment and tools, those defects, such as missing bolts, which will be apparent to
the eye.
Close inspection: defines an inspection which encompasses those aspects covered
by a visual inspection and, in addition, identifies those defects, such as loose bolts,
which will be apparent only be the use of access equipment, for example steps,
where necessary, and tools.
Detailed inspection: defines an inspection which encompasses those aspects
covered by a close inspection and, in addition, identifies those defects, such as loose
terminations, which will only be apparent by opening the enclosure, and/or using,
where necessary, tools and test equipment
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3BDD011677-600 A
The company installing the device must ensure that the transient characteristic
is limited to 40% above the service voltage.
Icing is not permitted.
Maintenance works are to be carried out by qualified personnel only, that is.
personnel qualified according to TRBS 1203 or equivalent.
Auxiliary components that meet all requirements of European and national
directives and legislation can be used in potentially explosive atmospheres
Components may only be replaced by original spare parts that are approved for
the use in Ex-atmospheres.
Maintenance and
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