Toshiba VK-6M32A Installation Operation & Maintenance page 50

Vk series: hvk series. vacuum circuit breakers 5-15kv
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Mav.
31. 2012
9:23AM
No,
1530
0 tr
,
)l
Page
tt8
MAINTENANCE
6)
7'
Position
fi6
n6w coil on th6
bas€
whh
the coil end aofttaining the scr€w
head
tacing
the
pEddle, Maimain
a
wipe
msasurem€nt
of
1-1
.Emm {Fig. 64}.
Alte.hate
the
tightening
of
the
coil
mounting screws
ufitil
a
torque ol
2Okg-cm
(1
.4ft{b)
is reached,
Conlirm
that rhe coil
electricdlly
operates
ths circuit
br6aker,
Unlt
contains
powerful
$pdng3.
Do
not place your hands ot
Eny
part
of
your
bodf il€ide
tlrc cirsuit bGeker or
tr€ar
lfie
machanlsm wldle the springs are
CHARGED
or
the circuit
br€Ek3r
lB
CLOSED,
8)
Confirm
that the coil
operates the
citcuit
br€akgr by
th6 vohag€
range in
Tabls
7, lf
rhe cirouit
breaker does
noi
operate whhin
the
specified
rang€,
contact Toshiba
lnts rnationa
I
Corporation.
+
Not
Rscommended
by
ANSI
9l
Confirm
that
no parts
o/
tools are left
in$ide
tho circuit
br6ak€r.
10)
Replaco
the lront covar
(Fig.
65).
NOTE:
Close
.
and
trip
coil
of
thg
same
voltaga ratinge
arB id€mical,
PANDLE
1-1.Emm
Fig.
64
Wip6 M6r8urement
Table
7,
Coil
Vott€o.
BATED
VOLTAGE
{Dc)
CLOSE
VOLTAGE
RANGE
(DC}
TRIP VOLTAGE
RANGE
(DC)
24
a
1+28
30
2+36
r
8-36
48150
38-56
28-58
r00/1
10
ao-124
5+124
125
100-140
7G1tto
2AOt220
1
6t].248
112-248
250
20G2AO
14G280

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