Alstom FKG1X - Page 240

Maintenance
Disassembly and assembly of the GCB equipments
G51
-
-5
00EN01
9/10
02--2011
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ion contained in
this document is indicative only. No
representati
on or
warrant
y is
given or should
be
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ty and
is subject to
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en authority, is
strictly prohibited.
 GRID
Equipments removal
Procedure
Rei
nsta
ll
the
TC,
VT’
s,
cap
aci
tors
and
surg
e
arre
stor
s
on
the
sup
por
ts
resp
ecti
ng
the
loc
atio
n
mark
s
dur
ing
the
dis
ass
embl
y
,
usi
ng
the
bol
ts
(A-
-B-
--
C--E--F) to refer disassemble procedure and proceed as follows :
D
Reinstall the supports equipped on the top of GCB enclosure.
D
Pre
par
e
the
ele
ctric
al
con
tact
sur
face
s
(see
mod
ule
“Co
nne
ctio
n
with
ele
c-
trical
surfaces preparation”)
.
D
Reinstall the grounding braid of the VT to the enclosure
D
R
ec
on
ne
ct
th
e
te
rm
in
al
s
a
nd
ch
e
ck
th
e
el
em
en
ta
ry
di
ag
ra
m
(VS......EDD01D).
D
Tigh
tening torque application (see module
“Tig
htening torques”).
ATTENTION :
 Re
sp
ec
t
the
sp
ec
ifi
c
tig
hte
ni
ng
tor
qu
e
on
the
VT’
s
as
he
re
af-
ter
.
J
:
-- Primary (braide) HM10--20 =
1.5 daNm
-- Primary (braide grounding to the GCB enclosure)
HM8--12 =
0.8 daNm
-- Secondary M6--12 =
0.3 daNm
.
NO
TE
:
 The
len
ght of
the
bra
ide
s
sha
ll
be
res
pec
ted as
initi
al locatio
n
HM8--12
M6--12
x1
x5
Secondary
terminals
Primary
terminal
.
J
H1
H2
HM10--20
1.5daNm
0.3daNm
0.8 daNm