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10. Servicing operations
Maintenance must only be carried out by
ABB personnel or by the customer’s suitably
qualified personnel (IEC 60694, CEI EN 60694
sect. 10.4.2). If maintenance is carried out by
the customer’s personnel, responsibility for
the interventions remains with the customer.
Replacement of parts not included in the
“List of spare parts/accessories” (sect. 12.1)
must only be carried out by ABB personnel.
In particular:
– complete pole with bushings/connections
– operating mechanism
– closing spring set
– opening spring.
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