GE AKR-75 Series User Manual

GEt-86151B
Breaker
Removal
(AKD
Type)
1.
With
the
door
closed
and
latched,
trip
the
breaker.
2.
Open
the
door
and
insert
the
racking
handle
on
the
jackscrew
shaft.
Rotate
it
counterclockwisi
until
the
iack_
screw
comes
to
a
solid
stop.
At
this
point
the
primary
discon_
nects
are
disengaged.
3.
Now
pull
the
breaker
out
of
its
compartment
until
the
test
position
stop
engages,
thereby
holding
the
breaker
in
the
TEST
oosition.
4.
To
withdraw
a
manually
operated
breaker
from
TESI
depressthe
test
position
stoplever
and
putt
tnetreaxer
out
of
its
compartment
until
the
tray
slops.
Ai
this
position
the
tray
will
be
fully
withdrawn
against
its
limit
stop.
-
The
withdrawal
movement
for
electrically
operated
breakers
differs
from
the
above
in
that
the
tray
is
stopped
short
of its
WITHDRAWN
limit
by
the
compartment_mounted
.:!li!g_g]scharge
sto_p.
In
order
to
comptete
the
withdrawat,
Il :
^.1::]
!S_:p
ri n
g
s
fi.rst
m ust.
be
.disch
arged
by
depressin
g
I.:^tl-lls
dl:!n,aroq,
t9ve
1
on
the
breaker.
Next
j
keepi
n
g
th ii
rever
oepressed,
pull
the
breaker
completely
out
against
the
tray
limit
stop'
A ramp
cam
mounted
on'tne
compartment
wail
Keeps
rne
breaker
trip-free
during
the
outward
tiavel
from
the
TEST
oosition.
5.
Before proceeding
with
subsequent
operations
to
re_
move
the
breaker
from
the
tray,
visually
check
the
breaker,s
CHARGED-DTSCHARGED
anO
Opf
ru_blOSf
O
tnOicators
to
verify
that
the
breaker
is.
open
and
the
springs
-re
OiscnargeO.
This precaution
is
particularly
important
a"t locations
where
AKR-75
and
-100
breakers
are
being
Jep-toyeO
in
AKD
equipments
as
replacements
for
AK_75
anO
_tOb
non_quick_
close
electrical
models;these
compartments
diJnot
need
and
were
not
equipped
with
a
spring
discharge
stop.
6.
Remove
the
two-s/a
inch
hex-head
screws
which
fasten
the
breaker
to
the
compartment
tray.
, .
7.
Using
care
to
prevent
damage
to
the
wiring,
attach
the
lifting
device
to
the
cutout
notch"es
in
tfL
iop
*raparound
frame
of
the
breaker.
8. Lift
the
breaker
approximately
one_half
inch
off
the
dowel pins.
Push
the
tray
back
into
the
compartment.
9.
Swing
the
breaker
forward
until
the
primary
discon_
nects
clear
the
compartment.
Lower
the
breaker
onto
a flat
surface
free
of
protrusions
that
could
damage
the
breaker,s
internal
parts.
SPR|NG
,-,-
DISCHARGE.-.--
LEVER
RACKING
SHAFT
RACKING
CAM
TUBULAR
TYPE
PRIMARY
STUD
DISCONNECTS
6
Fig.
1
AKR-2-75
electricaily
operated,
2-pole
Dc (AKD
type)

GE AKR-75 Series Specifications

General

Brand	GE
Model	AKR-75 Series
Category	Circuit breakers
Language	English