Alstom FKG1X - Page 220

Installation
Electr
ical
contact densimeter threshold
inspectio
n
G51
-
-1
01EN03
3/4
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
Densimeter inspection
Pressure gauge
connec
tion
(tool)
The table below give
s the steps of t
he pressur
e gauge conne
ction (tool)
:
S
t
e
p
A
c
t
i
o
n
1
Re
mo
ve
th
e
pl
ug
(1
0)
.
2
In
st
al
l
th
e
fil
li
ng
to
ol
(1
4)
.
3
Un
do
the
va
lve
-
-cap
(1
5).
4
Con
nec
t up
the 0-
-1 MPa p
ress
ure
ins
pec
tion g
aug
e (1
1) by
mea
ns
of its tube (12).
14
15
1
1
12
10
Testing
The
table
below
gives
the
steps
of
densime
ter
testing
:
S
t
e
p
A
c
t
i
o
n
C
o
m
m
e
n
t
/
D
i
a
g
r
a
m
1
Co
nn
ec
t
a
te
st
la
mp
to
th
e
“A
la
rm
pre
ssu
re
for
the
ins
ula
tion
”
p
ae
densimeter threshold.
Co
nn
ec
ti
on
to
th
e
te
rm
in
al
block of the operating mecha-
ni
sm
in
ac
co
rd
an
ce
wi
th
the
electrical diagram.
2
Ca
lc
ul
at
e
th
e
ef
fe
ct
iv
e
pr
es
su
re
at
which the “Alarm pressure for the
insulation”
p
ae
 con
tact
switche
s
over -
-
correc
ted
in
keepin
g
with
temperatur
e
and local
atmosphe
r-
ic
pressur
e.
Value
p
ae
see technical char-
acteristics.
3
D
Cr
ea
te
a
le
ak
by
pre
ss
in
g
on
the
pressu
re
inspec
tion
gauge valve
(13), making sure that the contact
sw
itc
he
s
ov
er
at
the
pre
vio
us
ly
calculated value.
D
 Pr
oc
ee
d
in
th
e
sa
me
wa
y
to
ch
ec
k
th
e
co
nt
ac
t
of
“M
in
im
al
pressure for the insulation”
p
me
.
1
1
13
If one of the thresholds does
not comply with the specified
value, replace t
he densimeter
.
4
Wh
en
th
e
te
st
is
fi
ni
sh
ed
,
di
sc
on
-
nect the tube of the pressure in-
spe
ctio
n
gau
ge.
Put
the
valv
e-
-cap
(15) back and remove the filling
tool (14).
14
10
15
5
Re
in
sta
ll
the
pl
ug
(10
),
ap
pl
yin
g
a
tigh
teni
ng
torq
ue
of
4 daN
.m,
leak
tightness is only guaranteed if
this condition is
respe
cted
.