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BTS-Ex, non-contacting thermal switch unit
Maintenance, Servicing
9 Maintenance, Servicing
Definition of the maintenance work described in the following (as per IEC 60079-17):
Maintenance and Servicing:
A combination of all activities conducted in order to
maintain an object in a condition or to re-store it to such a condition which meets the
requirements of the respective specification and ensures performance of the required
functions.
Inspection:
An activity involving the thorough examination of an object in order to
provide a reliable statement as to the condition of said object, performed without
disassembly or, if necessary, with only partial disassembly, supplemented by
measures such as the taking of measurements.
Visual inspection:
A visual inspection is an inspection in which visible defects, such
as missing screws or bolts, are identified without the use of access equipment or
tools.
Close-up inspection:
An inspection in which, in addition to the areas covered by the
visual inspection, defects such as loose bolts, that can only be detected by using
access equipment, e.g. mobile stair steps (if required) and tools are identified. For
close-up inspections, usually a housing does not need to be opened or the power to
the equipment be cut off.
Detailed inspection:
An inspection in which, in addition to the areas covered by the
close-up inspection, defects such as loose connections, that can only be detected by
opening housings and/or using tools and test equipment (if required) are identified.
WARNING
Risk of injury
Please observe, in particular,
Chapter 5 (Safety) when working on the non-
contacting thermal switch unit!
•
Please always keep access paths free to the turbo coupling!
–
Skilled and authorized persons only are allowed to carry out maintenance and
repair work! Qualification is ensured by performing training and giving instructions
on the turbo coupling.
–
It is not allowed to modify/change anything on products which are operated in
potentially explosive atmospheres.
–
Possible consequences of improper servicing and maintenance could be death,
serious or minor injuries, damage to property and harm to the environment.
Qualification
Chapter 5.8
