GE POWER/VAC GEK 86132A - Page 5

POWER
/
VAC
*
VACUUM
CIRCUIT
BREAKER
WITH
ML
-
I
8
MECHANISM
1
.
INTRODUCTION
1
1
,
1.2
.
SPECIFIC
DO
NOT
WORK
ON
AN
ENERGIZED
BREAKER
.
IF
WORK
HAS
TO
BE
PERFORMED
ON
THE
BREAKER
,
TAKE
IT
OUT
OF
SERVICE
AND
REMOVE
IT
FROM
THE
METALCLAD
EQUIPMENT
.
DO
NOT
WORK
ON
ANY
PART
OF
THE
BREAKER
WITH
THE
TEST
COUPLER
ENGAGED
,
All
spring
charged
mechanisms
related
to
a
breaker
must
.
be
serviced
only
by
skilled
and
knowledgeable
personnel
capable
of
releasing
each
spring
load
in
a
controlled
manner
.
PAR
-
TICULAR
CARE
MUST
BE
EXERCISED
TO
KEEP
PERSONNEL
CLEAR
OF
MECHANISMS
WHICH
ARE
TO
BE
OPERATED
OR
RELEASED
,
Information
on
construction
of
such
mechanisms
is
provided
in
this
in
-
struction
book
.
Operational
tests
and
checks
should
be
made
on
a
breaker
after
maintenance
,
before
it
is
returned
to
service
,
to
insure
that
it
is
capable
of
operating
properly
.
The
extent
of
such
tests
and
checks
should
be
consistent
with
the
level
of
maintenance
performed
,
If
maintenance
on
the
Power
/
Vac
*
breaker
is
being
performed
to
an
extended
schedule
such
as
a
5
-
year
or
10
-
year
program
the
vacuum
interrupter
integrity
test
should
be
performed
each
time
the
breaker
is
removed
from
the
metalclad
switchgear
for
reasons
other
than
scheduled
break
-
er
maintenance
if
it
has
been
more
than
one
year
since
the
last
vacuum
integrity
test
.
Interlocks
are
provided
for
the
safety
of
the
operator
and
correct
operation
of
the
breaker
,
If
an
interlock
does
not
function
as
described
DO
NOT
MODIFY
OR
DISFIGURE
THE
PARTS
.
DO
NOT
FORCE
THE
DEVICE
INTO
POSITION
.
CONTACT
THE
NEAREST
GE
APPARA
-
TUS
AND
ENGINEERING
SERVICE
OFFICE
FOR
INSTRUCTIONS
.
1.1
,
SAFETY
Each
user
has
the
responsibility
to
instruct
all
personnel
associated
with
this
equipment
on
all
safety
precautions
which
must
be
observed
.
\
*
7
-
•
•
The
following
are
recommendations
to
be
considered
in
a
user
’
s
safety
program
,
These
recommendations
are
not
in
-
tended
to
supplant
the
user
’
s
responsibility
for
devising
a
complete
safety
program
and
shall
not
be
considered
as
such
.
They
are
rather
suggestions
to
cover
the
more
important
aspects
of
personnel
safety
related
to
circuit
breakers
.
G
E
neither
condones
nor
assumes
any
responsibility
for
user
practices
which
deviate
from
these
recommendations
.
1.1
.
1
,
GENERAL
All
personnel
associated
with
installation
,
operation
and
maintenance
of
power
circuit
breakers
should
be
thoroughly
instructed
and
supervised
regarding
power
equipment
in
general
as
well
as
the
particular
model
of
equipment
with
which
they
are
working
.
Instruction
books
and
service
advices
should
be
closely
studied
and
followed
,
including
appropriate
sections
of
“
National
Electric
Safety
Code
"
ANSI
C
2
-
I
984
and
revisions
thereof
.
Maintenance
programs
must
be
well
planned
and
carried
out
consistent
with
both
customer
experience
and
man
-
ufacturer
’
s
recommendations
including
service
advices
and
instruction
books
.
Good
maintenance
is
essential
to
breaker
reliability
and
safety
.
-
•
•
Local
environment
and
breaker
application
must
be
con
-
sidered
in
such
programs
,
inclucp
-
jig
such
variables
as
ambient
temperatures
,
actual
continuou
^
current
,
number
of
opera
-
tions
,
type
of
interrupting
duty
,
and
any
unusual
local
condition
such
as
corrosive
atmosphere
or
major
insect
problems
.
These
instructions
do
not
purport
to
cover
all
details
or
variations
in
equipment
nor
to
provide
for
every
possible
contingency
to
be
met
in
connection
with
installation
,
operation
or
maintenance
.
Should
further
information
be
desired
or
should
particular
problems
arise
which
are
not
covered
sufficiently
for
the
purchaser
’
s
purposes
,
the
matter
should
be
referred
to
the
G
E
Co
.
To
the
extent
required
,
the
products
described
herein
meet
applicable
ANSI
,
IEEE
and
NEMA
standards
,
but
no
such
assurance
is
given
with
respect
to
local
codes
and
ordinances
because
they
vary
greatly
.
*
Registered
Trademark
of
GE
.
•
.
*
:
t
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