ITE K-3000 - Installation, Testing, and Manual Closing; Circuit Breaker Operation Checks

IB
-
9.1
.
7
-
4
LOW
-
VOLTAGE
POWER
CIRCUIT
BREAKERS
PAGE
9
INSTALLATION
,
INITIAL
TESTING
AND
REMOVAL
(
Drawout
&
Slationary
)
CHECKING
CIRCUIT
BREAKER
OPERATION
IN
“
TEST
”
POSITION
(
Electrically
Operated
,
Drawout
Type
)
f
FOR
SAFETY
:
When
installing
or
removing
stationary
breakers
,
the
supply
for
primary
and
control
circuits
must
be
de
-
energized
at
all
times
.
Testing
of
stationary
breakers
to
be done
with
the
primary
supply
circuit
de
-
energized
.
for
initial
installation
of
drawout
breakers
in
the
‘
'
CONNECTED
1
*
position
,
the
supply
for
the
primary
cir
-
cuit
should be
de
-
energized
.
Testing
of
the drawout
breaker
to
be
done
in
the
test
position
.
NOTE
:
{
K
1000
and
K
-
4000
Circuit
Breakers
)
r
111
:
r
11
r
_
-
;
i
_
-
'
/
/
•
Hi
the
breaker
in
the
upright
position
,
e
*
enise
Hi
*
?
thiee
long
tune
armutuies
(
l
wide
armafuies
)
several
limes
unfit
resislonrp
fo
motion
has
infreasurt
,
imli
(
olimj
that the oil
dashpol
is
functioning
properly
.
Improper
operation
can
result
because
the
circuit breaker
is
slapped
or
stored
on
its back
.
This
causes
the oil
in
the
dashpot
to
be
displaced
and
an
air
bubble
can
be
trapped
under the
piston
.
The exercise
removes
the
air
to
permit
proper
operation
.
(
See
Figure
t
)
a
.
Manually
reset
automatic
trip
indicator
(
9
)
if
it
protrudes
approximately
Vi
Push
in
to
reset
.
b
.
Turn
motor
disconnect
switch
(
1 0
)
to
“
ON
posi
-
tion
and
closing
springs
will
automatically
charge
.
c
.
Close
circuit
breaker
by
local
close button
and
trip
by
local
trip
button
.
NOTE
:
Ail
breakers
have
a
manual
trip
button
,
fhe
la
<
ul
1
lose button
foi
«
lectmui bitxikei
>
Tit
*
local
I
up
button
toi
electrical
bi
-
ok
(
j
(
trip
<
in
mi
i
<
irritkr
;
i
by
iiMnUM
1
u n l t u l
»
w i l l
h
1
t
-
itu
111
I
11
<
1
!
\
•
»
Prior
13
O
p
h
U
L
if
»
*
_
• •
If
'
*
>
*
I
b
1
|
!
•
,
t
I
r
.
-
.
-
I
I
I
I
)
T I
*
I
I
t
-
11
H
t
*
-
1
J
I t
U
L i
A
i
i
M i
i
tic
*
i
»
,
c
b
>
»
p
<
iw
|
jci
iijM
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w i t
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U
»
1
CHECKING
CIRCUIT
BREAKER
OPERATION
IN
“
TEST
POSITION
(
Manually
Operated
,
Drawout
Type
)
(
See
Figure
1
)
a
.
Manually
reset
automatic
trip
indicator
(
9
)
if
it
protrudes
approximately
Vi
"
Push
in
to
reset
b
.
Charge
and
(
lose
MM
ml
breaker
,
See
“
Mamjal
Closing
Operation
"
below
.
c
.
Trip
by
manual
“
TRIP
"
button
(
8
)
.
d
.
Check
each
auxiliary
device
for
proper
operation
.
INSTALLATION
(
Drawout
Type
)
(
See
Figure
I
)
The circuit breaker
must
be
in
the
"
OPEN
"
position
,
the
racking
crank
(
1 3
)
when inserted
in
opening
(
1 7
)
is rotated
counterclockwise
until
the
racking
cam
roller
(
1 6
)
is rotated down
inlo
a
45
angle
,
and
the
motor
disconnect switch
(
1 0
)
for
electrically
operated
circuit
breakers is
in
the
"
OFF
"
position
.
NOTE
:
Lever
(
1 5
)
must
be
pushed
down
to
permit
the rotation
of
crank
M
3
)
Open
'
omfKii
tmenl
floor
and
lower the
fight
arid led
f
•
.
111
«
I
ii
*
i
-
}
-
>
I
1
-
fu ll
/
*
_
•
.
»
n
-
ndcu
1
po sitio n
.
Use
lifting
yoke
(
2 0
,
Figure
I
)
,
which
is inserted
in
holes
in
the
upper
rear
frame
,
and
lower
circuit
breaker
wheels
(
1 8
)
onto
track extensions
.
Remove
lifting
yoke
.
Push circuit breaker
into
compartment
until
racking
cam
rollers
(
1 6
)
stop
against
their
guides
.
CAUTION
:
RAISE TRACK
EXTENSION
INTO COM
-
PARTMENT
BEFORE
RACKING
.
Insert
racking
crank
|
1 3
)
into
opening
(
1 7
)
and
depress
drawout lever
(
1 5
)
.
Turn
crank
clockwise
until
automatically
stopped
.
Breaker
is
now
in
"
DISCON
-
NECT
"
position
.
An
arrow on
the
left
side
of
plate
(
2 6
)
will
also
line
up
with
"
DISCONNECT
"
on
the
cradle
.
Again
depress
drawout lever
(
1 5
)
and
turn
crank
clockwise
until
automatically
stopped
.
Breaker
is
now
in
"
TEST
”
position
.
(
CHECKING
CIRCUIT
BREAKER
OPERATION
IN
“
CON
-
NECTED
”
POSITION
(
Drawout
Type
)
After
completing
check
procedures
in
"
TEST
"
position
,
i
.
'
/
nhnue
us
follows
.
With
'
i f f
ui
t
hit
'
ll
"
1
*
ui
‘
f
H
’
tM
'
disconnect switch
(
1 0
)
in
O i l
position
,
insert
racking
,
i
Mink
(
1 3
)
in
opening
(
)
7
)
and
press
down drawo
lever
(
1 5
)
.
Rotate
the
racking
crank clockwise
until
lever
(
1 5
)
moves
up
and
cranking
is automatical
!
/
stopped
.
Breaker is
now
in
"
CONNECTED
"
position
.
Excessive
cranking
force
indicates
misalignment
or
inter
-
ference
of
parts
.
position
ond
m
»
>
t
.
1
J
'
CHECKING
CIRCUIT
BREAKER
OPERATION
(
Stationary
Typel
Follow
the
same
piocedute
as
for
drawout
circuu
breaker
,
except
the circuit
breaker
will
be
in
the
"
CON
-
NECTED
"
position
.
Primary
supply
circuit
must
be
de
-
energized
.
MANUAL
CLOSING
OPERATION
INSTALLATION
(
Stationary
Type
)
The
following
manual
dosing
procedures
are
recorn
mended
:
(
See
Figure
I
)
a
.
Observe
circuit breaker
conditions
on
control
escutcheon
.
Lifting
yoke
(
2 0
)
should
be
used
to
move
the breaker
to
the
switchboard
;
however
,
other
handling
means
will
be
required
to
move
the
breaker into
position
inside
the
switchboard
.
(
Courtesy of NationalSwitchgear.com