Alstom FKG1X - Page 213

Maintenance
Maintena
nce
plan
G51
-
-0
01EN07
16/18
02--2011
© ALSTOM 2010. All rights reserved. Informat
ion contained in
this document is indicative only. No
representati
on or
warrant
y is
given or should
be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
provided without liabili
ty and
is subject to
change without notice. Reproduction, use or disclosure to
third parties, without express writt
en authority, is
strictly prohibited.
 GRID
Detail of maintenance operations of disconnector, earthing switch and (or)
starting disconnector
(where applicable)
Genera
l
condition of
equipment
To be dealt with during the foreseen circuit--breaker interventions.
Condition of
contro
l
rod system
In
sp
ec
ti
on
of
th
e
co
nt
ro
l
ro
d
sy
st
em
wi
ll
be
pe
rf
or
me
d
at
th
e
sa
me
ti
me
as
th
e
foreseen circuit--breaker interventions.
Mechanical control
mechaism
Check condition of the mechanical control mechanism -- tightness of seals,
moving parts, protection of the various elements...
Tightening of
mountings
To be dealt with during the foreseen circuit--breaker interventions.
Relay operation
T
o
be
dealt
with
during
the
foreseen
circuit-
-breaker
interventions.
Pole
insulatin
g
supports
Ch
ec
k
the
co
nd
iti
on
of
in
su
lat
ing
su
pp
ort
s
;
the
se
sh
ou
ld
be
fre
e
fro
m
imp
ac
t
marks, splintering, cracks, dust deposits, pollution etc...
Clean with a dry rag.
If anomalies are found on pole insulating supports, contact
ALSTOM Grid
S.A. Customer Service
.
Pole
contac
ts
The
se
co
nta
cts
ar
e
in
sp
ec
ted
wi
th
the
co
ve
r
re
mov
ed
,
the
dis
co
nn
ec
tor
de
--
ene
rgi
zed
and
ear
thed
;
this
state
is
equ
allyvalid
for
the
pre
viou
s
insp
ecti
ons
.
Meas
urecontactresista
ncebetwee
n
the
disc
onn
ecto
r’s
inp
ut
and
outp
ut
ter-
minals to appreciate how the condition of these contacts has evolved.
Ins
pe
ct
sil
ve
r-p
la
tin
g
of
co
nta
ct
fin
ge
rs
an
d
tub
e
no
pa
tch
es
of
co
pp
er
sh
ou
ld
be
vi
si
bl
e.
If
th
is
is
no
t
th
e
ca
se
,
co
nt
ac
t
ALS
TOM
Grid
S.A
.
Cus
tom
er
Ser-
vice
.
Operating times
Measure
operatin
g
times
of
poles
and
auxilia
ry
contacts
as
explain
ed
in
sec-
tion entitled : “PRE-COMMISSIONING INSPECTIONS AND TESTS”.
If
the
va
lu
es
fou
nd
are
ou
tsi
de
tho
se
gi
ve
n
in
the
do
cu
me
nt
“Ac
ce
pta
tio
n
Cr
i-
teria”, contact
ALSTOM Grid S.A. Customer Service
.
Measu
reme
nt
of
con-
tact resistance
To be dealt with during the foreseen circuit--breaker interventions.
Replac
ing the
earth-
ing switch
In
ca
se
of
an
an
oma
ly
fol
low
in
g
a
gu
ar
an
tee
d
ma
xim
um
ov
erc
ur
re
nt,
co
nta
ct:
ALSTOM Grid S.A., Customer Service
, in order to envisage changing the
deteriora
ted
parts.
Overhauling necessitates
de-
-energizin
g
the equipment.