occasionally visual inspection at
1ate-st after six years.
Regipnpl standards may shorten the
intervals.
after
12
and
24
years
after 2.000 CO-operations at rated
nonnal current or:
¢
after a summarized current
according to appendix II
2.1 Inspection
To be carried by'Erained staff. Adopt the relevant safety
precautions. An openii
19
of the pole columns is not necessary.
Check for corrosiol on
metallic parts ant pipings
- Check the ventilation apertures
- Check of the anti-:ondensation
heating
- •..
at the base frame and at the
cubicle
the SF6 density monitor in
the green range
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