GE ML-14-0 - CLOSING SPRING PROCEDURES; REPLACEMENT PARTS RECOMMENDATION

Spring
-
charged
Operating
Mechanism
Type
ML
-
14
-
0
GEK
7153
;
©
OPENING
SPRING
00
OS
;
Os
oo
<
N
i
CIRCUIT
BREAKER
CONTACTS
SN
CLOSED
POSITION
(
N
.
i
-
i
TRIP
LATCH
CHECKING
SWITCH
l
PULL
TO
!
CLOSE
TRIP
FREE
LINKAGE
I
f
i
1
I
©
I
Fig
.
22
.
Schematic
of
ML
-
14
Mechanism
and
Circuit
Breaker
in
Closed
Position
2
.
Discharge
the
springs
by
pushing
the
manual
close
button
(
24
)
,
Fig
.
2
.
3
.
Rotate
the
cam
shaft
(
7
)
,
Fig
.
12
,
by using
the
manual
charging
wrench
(
7
)
,
Fig
.
5
,
until
the
gap
between the
springs
(
12
)
and
(
28
)
,
Fig
.
2
,
and the
guide
block
.
(
19
)
,
Fig
.
.
3
and
(
8
)
,
Fig
.
2
,
is
-
.
two
inches
or
more
.
a
follower
roller
(
37
)
,
Fig
.
30
,
on
the
cam
(
39
)
,
Fig
.
10
.
If
neces
-
sary
,
adjust
the
cam
on
the
cam
shaft
to
correct
the
alignment
.
Complete
the
closing
operation
and
check
the
location
of
the
cam
follower
roller
shaft
(
68
)
,
Fig
.
10
,
on
the
prop
(
38
)
.
It
should
be
approximately
cen
-
tered
.
retaining
cotter
pin
and
washer
from
the
limit
switch
cam
(
1
)
,
Fig
.
8
A
,
shaft
.
Remove
the
inner
race
of
the
bearing
in
the
guide
blocks
(
3
)
.
This
permits
the
guide
block
(
3
)
to
slide
off
the
shaft
of
the
limit
switch
cam
(
1
)
for
easy
removal
of
the left
spring
(
12
)
,
Fig
.
2
.
*
*
.
5
.
Either
open
the
operating
mech
-
anism
by
pushing
the
manual
trip
lever
or
block
the
breaker
in
the
closed
position
with
a
suit
-
able
blocking
device
.
a
I
CLOSING
SPRINGS
The
closing
springs
(
12
)
and
(
28
)
,
Fig
.
2
,
can
be
removed
as
follows
:
1
.
Charge
the
springs
with
the
manual
charging
wrench
and
apply
the
spring
blocking
device
(
13
)
and
(
30
)
,
Fig
.
2
,
as
de
-
scribed
in
INSTALLATION
.
•
?
1
4
.
Lift
both
springs
until
they
clear
the
lower
supports
,
then
pull
forward
and down
until
the
top
supports
are
free
.
Removing
the
left
spring
(
12
)
,
Fig
.
2
,
is
diffi
-
cult
with
the
control
panel
(
20
)
,
Fig
.
4
,
assembled
in
the
control
house
(
1
)
,
Fig
.
3
.
Remove
the
A
6
.
After
reassembling
the
springs
check the breaker
stroke
as
described
in
the
breaker
instruc
-
tion book
.
RIPLAC
1
MBNT
PAHTS
It
is
recommended
that
sufficient
such
parts
minimizes
service
interruptions
renewal
parts
be
carried
in
stock
to
caused
by
breakdowns
and
saves
time
and
enable
prompt
replacement
of
broken
,
or
damaged
parts
.
A
stock
of
parts
should
be carried
,
the
amount
depending
upon
the
severity
of
the
ser
-
vice
and
the
time
required
to
moie
renewal
replacements
.
$
w
°
rn
,
expense
.
When
continuous
operation
is
a
primary
consideration
,
secure
33
Courtesy of NationalSwitchgear.com