The equipment design certificate and other related documents should have been obtained as part of the original purchase contract.
Related documents:
Documentation
General
The repair facility shall seek to obtain all necessary information/data from the user or manufacturer for the repair and/or overhaul of the equipment. This may include information relating to previous repairs, overhauls or modifications. The repair facility shall also have available and refer to the relevant explosion-protection standard.
NOTE As from the fourth edition of IEC 60079-0, manufacturers are required to prepare instructions including repair.
The data necessary for the repair and/or overhaul includes, but is not limited to, details of the:
The information may be subject to amendments.
The repair facility shall maintain copies of any relevant explosion-protection standards with which repaired/overhauled equipment is claimed to comply.
All above shall be part of the lifetime tracking in general in order to be able to deliver proof of evidence about integrity of explosion protection.

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EPDS - explosion protection documentation system - http://epds.hu/
EPDS+ - electronic portable documentation system - http://epdsplus.hu/
Altogether: full compliance to hazardous area and general industries
info@epds.hu
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