GE AM-4.16-250-6 - Page 23

W
"
Magne
-
blast
Circuit
Breaker
GEI
-
88761
2
3
4
5
-
6
8
9
10
11
12
i
s
Fig
.
226
(
8039586
)
"
-
8
"
Design
Fig
.
22
A
(
8025170
)
"
-
6
"
&
"
-
7
"
Designs
Figure
22
.
Rear
Bushing
Assembly
8
.
Connection
Bolt
9
.
Stud
for
Mounting Arcing
Fingers
10
.
Stationary
Arcing
Contact
Assembly
11
.
Spring
Baffle
12
.
Insulating
Plate
13
.
Throat Baffle
I
1
.
Rear
Bushing
2
.
Guide
and
Support
for
Interrupter
3
.
Bolts
for
Contact
Support
4
.
Contact
Support
5
.
Bolt
for
Flexible Braid
6
.
Mounting
Bolt
7
.
Flexible Braid
s
I
!
s
;
I
that
it
is
retained
by
stop
plate
(
8
)
.
Open
spring
compressor
(
3
)
and
as
-
semble
spring
guide
,
spring
and
spring
compressor
(
Figure
24
A
)
.
Turn
nut
(
2
)
in
clockwise
direction
to
compress
contact
spring
(
Figure
24
B
)
.
Hold
spring
firmly
in
yoke
on
spring
-
compressor
to
prevent
spring
from
slipping
out
of
the
compressor
.
Place
washer
(
not
shown
)
on
guide
on
top
of
spring
,
place
top
of
guide
into
hole
in
spring
retainer
(
4
)
and
round end
of
spring guide
in
cutout
in
primary
finger
(
Figure
24
C
)
.
Hold
spring
assembly
firmly
in
place
and
remove
spring
compressor
.
1
D
.
Movable
Primary
Contacts
(
10
)
Figure
23
,
To
replace
the
movable
primary
con
-
tacts
on
a
1200
ampere
breaker
proceed
as
follows
:
i
2
.
3
.
1
.
Disassemble
nuts
from
assembly
bolts
(
11
)
and
remove
the
movable
primary
contacts
(
10
)
.
Reassemble
in
reverse
order
.
2
.
4
.
To
replace
the
movable
primary
con
-
tacts
on
a
2000
ampere
breaker
it
is
first
necessary
to
disassemble the
movable
arc
-
ing
contacts
,
then
proceed
as
follows
:
1
.
Disassemble
operating
rod
pin
(
4
)
,
first
noting
quantity
and location
of
washers
in
the
assemble
.
the
5
.
S
23
Courtesy of NationalSwitchgear.com