ABB 15VHK500 - Receiving and Storage; Circuit Breaker Installation

AM
IB
6.2
.
7.7
.
-
1
Page
3
ASEA
BROWN
BOVERI
INTRODUCTION
These
instructions
for
installation
,
operation
and mainte
-
nance
of
15
VHK
vacuum
circuit breakers should be
read
carefully
and used
as
a
guide during
installation
and
initial
operation
.
The
specific
ratings
of
each
model circuit breaker
are
listed
on
the
individual
nameplates
.
File
these
instructions
in
a
readily
accessible
place
to
-
gether
with
drawings
and
descriptive
data
of
the switch
-
gear
.
These instructions
will
be
a
guide
to
proper
mainte
-
nance
of
the
equipment
and
prolong
its
life
and
usefulness
.
The circuit breaker is
shipped
with
contacts
closed
,
closing
springs
discharged
and
opening springs charged
.
If
the
circuit
breaker
is
furnished
with
an
undervoltage
device
,
the
device
will
be lockwired
to
allow
closing
of
the
breaker
for
shipment
.
A
tag
will
identify
the lock
wire
.
To
remove
the
wire
,
open
the breaker and reach behind the control
panel
f
rom
the
right
hand side
.
Using
wire
cutters
,
cut
and
remove
the
tagged
wire
.
WARNING
WARNING WARNING
WARNING
Priortoanydisassemblyorinspectionofthe
circuit
breaker
,
the
closing springs
should
be
discharged
,
and the
breaker
should
be
open
.
Referring
to
Fig
.
1
,
if
it is
necessary
to
raise
or move
the
breaker
,
attach
a
lifting
yoke
(
5
)
at
points
4
on
both
sides
of
the
truck
,
or
a
fifth
wheel
at
point
6
to
transport
the
breaker
as
required
.
RECEIVING
AND
STORAGE
Immediately
upon
receipt
of
the circuit
breakers
,
examine
the
cartons
to
determine
if
any
damage
or
loss
was sus
-
tained
during
transit
.
If
injury
or
rough
handling
is evident
,
file
a
damage
claim
at
once
with the
carrier and
promptly
notify
the
nearest
District
Office
.
The
company
is
not
responsible
for
damage
of
goods
after
delivery
to
the
carrier
,
however
,
we
will
lend assistance
if
notified
of
claims
.
Unpack
the
circuit
breakers
as
soon
as
possible
after
receipt
.
If
unpacking
is
delayed
,
difficulty
may
be
experi
-
enced
in
making
a
claim
for
damages
not
evident
upon
receipt
.
Use
care
in
unpacking
in
order
to
avoid
damaging
any
of
the
circuit breaker
parts
.
Check
the
contents
of
each
carton
against
the
packing
list
before
discarding
any
pack
-
ing
material
.
If
any
shortage
of
material is
discovered
,
promptly
notify
the
nearest
District
Office
.
Information
specifying
the
purchase
order number
and
part
numbers
of
the
damaged
or
missing
parts
should
accompany
the
claim
.
Circuit
breakers should
be
installed
in
their
permanent
location
as
soon
as
possible
.
If
the
breakers
are
not
to
be
placed
in
service
for
some
time
,
it is
advisable
to
provide
adequate
means
of
protection
.
This
may
be
done
by
keeping
the
breaker
in
its
original shipping
carton
and
storing
in
a warm
,
dry
and
uncontaminated
atmosphere
.
If
the
circuit
breaker
cannot
be
stored
properly
due
to
circum
-
stances
,
it
must
be
thoroughly
checked
before
going
into
service
to
insure
it has
not
absorbed
moisture
,
rusted
or
become
generally
contaminated
in
any way
.
Installation
Inspection
Inspect
condition
of
circuit
breaker
vacuum
interrupters
and
electrical
connections
prior
to
installing
the circuit
breaker into
the switchboard
.
Even
though
each
circuit
breaker is
completely adjusted
and
tested
at
the
factory
,
shipping
and
handling
conditions
could
cause
defects
.
The
front
cover
and
interphase
barrier
assemble
(
2
,
Fig
.
1
)
must
be
removed
for
access
to
and
inspection
of
the
vacuum
inter
-
rupters
,
and
their
associated
adjustments
.
Removing
Front
Cover
and
Interphase
Barrier
(
See
Fig
.
1
)
The
assembly
can
be
removed
after
first
removing
four
(
4
)
lower
,
front
cover
screws
(
1
)
and
one screw
(
7
)
on
each
side
,
inside
the
front
cover
.
Interphase
Barrier
Examination
All
barrier hardware
should be
securely tightened
.
There
should be
no
through
holes
or
apparent
missing
hardware
on
the
barrier
assembly
.
Also
,
dust
or
dirt should
be
removed
by wiping
with
a
clean lintless cloth
saturated with
an
oil
-
free
solvent
.
Vacuum
Interrupter
Examination
(
See
Fig
.
2
)
CIRCUIT
BREAKER
INSTALLATION
CAUTION
CAUTION
CAUTION
CAUTION
General
Prior
to
initial installation
of
the
circuit
breaker
into
the
switchboard
,
certain
preliminary
inspections
should
be
made
to
insure
proper
operation
.
The
inspection
proce
-
dures
for
this
are
given
in
this
section
.
Afterthe
interphase
barrierhas been removed
,
agrounding
stick should be
used
to
discharge
the
mid
-
band
ring
,
on
the
vacuum
interrupters
(
1
)
so
equipped
,
before
any
work
is
done
on
the
interrupters
.
Courtesy of NationalSwitchgear.com