Safety Information 11
Explosion Hazard
The explosion hazard must be eliminated before carrying out any repair
work.
Qualified Personnel
Repair work may only be carried out by qualified personnel.
Original Spare Parts
Only original spare parts may be used for the repair.
Purge before Commissioning
If repair work is carried out on components of an electrical equipment, on
which the explosion protection depends, an expert must check and certify
that the essential explosion protection characteristics of the apparatus
correspond to the construction and design of the apparatus described in
the certificate before it is returned to service.
Repair by the Manufacturer
The repair can also be carried out by the manufacturer, e.g. locally by an
employee of the ABB after sales service or at the manufacturer's works.
In this respect, an indication of the repairs carried out with a subsequent
individual test is affixed to the type plate. A test by an expert is not
required in this case.
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