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18 Spare parts
18.1 The spare part
Describes a part that is designed to
replace a corresponding one with a
view to re−establishing the original
function.
The replacement of these
parts can only be carried out
by a person who is suitably quali-
fied and trained for this operation.
For an explanation of the
levels of maintenance, please
refer to § 17.1.
Replacement Levels
rogramme
rep
acemen
enom
na
on
every 1 2 3
This concerns wearing parts, designed to
be replaced after a predetermined number
HV fuses (by 3) 20 years X X X
.
Use: Maintenance stock, necessary for
optimum maintenance procedures every 6
years.
Batteries 4 years X X X
Non−Programmed replacement
Levels
on−
rogramme
rep
acemen
enom
na
on
1 2 3
Describes spare parts whose replacement
intervenes in the course of corrective
maintenance.
Heating element X X X
Use: Parts that are changed during a cor-
rective maintenance operation, outside the
scope of normal preventive maintenance
actions.
Voltage presence indicator box X X X
Levels
xcep
ona
rep
acemen
enom
na
on
1 2 3
Grommet (IS/PF) − X X
Describes the spare parts or assemblies
whose foreseeable service life is at least
Grommet (PGC) − X X
whose foreseeable service life is at least
equal to that of the equipment.
Busbar deflector − X X
Use: Spare parts or sub−assemblies
conserved in a safety stock
Cable connection deflector (IS) − X X
conserved in a safety stock.
Current transformers or rings (phase) − X X
Voltage transformers (roof or cable compartment) − X X
Lightning arresters for the SP or LP Functional Units − X X
Operating lever − X X
Circuit breaker − X X
Complete equipped pole − X X
18.2 Identification of the equipment (See § 4.5)
For all orders for spare parts,
it is necessary to enclose the
equipment characteristics form.