GE AK-1-15 Series - Page 19

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-
»
w
PAGE
03
Air
Circuit
Breaker
*
Ty
]
k
AE
-
l
^
lS
*
and
AK
-
1
-
K
5
GBli
«
tB
07
3
.
Remove
four
screws
(
7
)
which
attach
lower
Coll
(
8
)
»
Fig
.
40
part
of
magnet
to
upper
part
of
magnet
,
1
4
*
Remove
two
screws
wMch
attach
upper
part
of
magnet
to
the
two
side
frames
of
the
operating
:
mechanism
,
5
,
Install
new
closing
solenoid
in
reverse
order
. .
*
L
Remove
tower
member
of
magnet
,
(
see
"
Closing
Solenoid
"
under
"
Replacements
"
,
Rems
1
to
3
)
*
2
.
Remove
!
wiring
to
coil
(
ft
)
and
remove
coil
.
3
.
Remove
hr
ass
coil
guides
.
4
.
Install
hew
coil
in
reverse
order
.
PROTECTIVE
DEVICES
TIME
DELAY
-
UNDERVOi
.
TAaiE
TjtiPMNiG
.
DEVICE
AIOTSTMENTS
,
FIG
.
16
An
adjustijng
screw
(
20
)
in
the
trip
lever
in
used
to
allow
from
1
/
32
to
1
/
16
inch
overtmvel
alter
tripping
the
breaker
*
Adjusting
oerew
(
2
)
is
used
to
adjust
the
arma
-
ture
so
that
it
^
viU
pick
-
up
at
80
%
of
normal
voltage
and
drop
odt
between
30
%
and
60
%
of
normal
voltage
*
|
.
|
•
Adjusting
imt
(
ft
)
on
connecting
rod
(
11
)
is
in
-
tended
for
a
;
poinimum
amount
of
adjustment
of
the
time
delay
setting
.
From
1
/
4
to
8
/
8
inch
of
oil
should
bo
maintained
in
the
cylinder
at
all
times
*
In
order
to
auinopoctionoftheoil
,
the
cylinder
may
be
unearned
from
the
cap
*
G
.
JE
.
silicone
oil
&
9
olI
»
T
40
NV
or
similar
grade
should
be
used
in
the
cylinder
.
1
This
device
1
$
mounted
to
a
bracket
on
the
right
side
of
the
operating
mechanism
(
looking
from
Hie
front
)
*
The
purpose
of
this
device
in
to
trip
toe
breaker
for
imdervoltage
.
For
rated
vottoge
,
the
armature
<
$
)
k
attracted
by
magnet
(
14
)
.
K
the
voltage
falls
below
a
predetermined
value
the
magnet
(
14
)
releases
toe
armature
(
3
)
.
Spring
(
4
)
then
pulls
armature
(
8
)
upward
against
toe
restrain
*
tog
force
of
the
oil
to
Cylinder
(
Ip
)
;
this
action
causes
a
minimum
time
delay
of
8
seconds
*
When
the
spring
overcomes
(
he
restraining
force
of
the
oil
the
armature
engages
screw
(
20
)
thus
rotating
the
trip
shaft
and
opening
the
breaker
,
(
For
part
*
reference refer
to
Fig
.
1
(
h
)
i
23
-
nrniwn
’
fm
*
}
,
<
5
'
—
£
2
0
.
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17
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s
.
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.
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4
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uv
i
1
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X
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#
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*
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Wwt
3
*
Awfltur
#
4
.
Spring
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.
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*
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'
;
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