Velatia Ormazabal ormaset, Общее руководство по инструкции

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IG-049-EN version 02; 02/10/2017
23
General Instructions
ormaset
Kiosk-type prefabricated transformer substation
Maintenance
4.
Remove the four protective caps from the threaded
inserts of the roof.
5.
Screw the four M20 eyebolts on the
ormaset
roof.
Figure 11.10.
Detail of the installation of the eyebolts on the
ormaset
roof
6.
Remove the roof using a crane and place it on a flat
surface.
Figure 11.11. Detail of ormaset roof removal
Maximum weight of the ormaset roof: 1520 kg
7.
Disconnect the power to the electrical equipment,
switching the medium voltage switchgear unit to
earthing position.
8. Disconnect the medium voltage and low voltage
cables, as well as the earthing cables of the electrical
equipment to be replaced.
9.
Unscrew the fixing points for the metallic parts of the
electrical equipment that is to be replaced.
10.
Remove the different equipment (medium voltage
functions, low voltage boards or transformer), following
the handling procedures set out in the documentation
for each of these units. Access to the transformer is via
the area where the low voltage boards are located.
11.
In order to re-commission the
ormaset
transformer
substation, the above procedures must be carried out
in reverse order.