GE Magne-Blast AM-13.8-1000-3H - Page 28

GE
1
-
33
T
66
E
,
Contact
Blade
Assembly
(
4
,
5
*
7
)
Fig
.
24
,
10
Remove
the
connection
bar
(
9
)
.
2
,
Remove
the
cup
bearing
(
3
)
and
the
pin
(
ll
)
.
3
»
When
reassembling
,
first
insert
the
piston
assembly
the
booster
cylinder
and
reassemble
the
cup
bearing
4
a
Replace
pin
(
11
)
,
and
connection
bar
(
9
)
®
P
„
After
disassembly
and
reassembly
of
the
contacts
,
check
all
contact
adjustments
as
described
under
ADJUSTMENTS
.
Bushings
#
into
f
IMPORTANTi
DO
NOT
REMOVE
ALL
SIX
BUSHINC
-
S
AT
ONCE
.
The
bushings
have
been
carefully
aligned
with
the
breaker
frame
,
during
assembly
at
the
factory
,
and
it
is
Important
that
this
alignment
be
maintained
to
fa
-
cilitate
installation
of
the
breaker
in
the
metal
-
clad
unit
.
It
is
,
therefore
,
recommended
that
the
bushings
be
removed
and
reassembled
one
at
a
time
.
Also
,
before
removing
any
one
bushing
,
measure
the
dis
-
tance
from
that
particular
bushing
to
adjacent
bushings
in
both
direc
-
tions
,
so
that
it
may
be
reinstalled
in
the
same
location
.
It
is
also
possible
to
remove
and
reassemble
three
bushings
at
one
time
.
If
this
is
preferred
,
alignment
of
the
bushings
may
be
accomplished
by
plac
5
.
ng
the
breaker
in
a
de
-
energized
spare
metal
-
clad
unit
before
tightening
the
bushing
mounting
bolts
.
This
must
be
done
before
the
are
chutes
are
reinstalled
.
#
To
replace
the
bushing
,
proceed
as
followss
Rear
Bushing
1
.
Open
the
breaker
and
remove
the
rear
,
side
,
interphase
barriers
,
and
arc
chutes
as
already
described
.
2
.
Remove
the
upper
and
lower
horizontal
barriers
(
l
4
and
18
)
,
Fig
.
7
.
3
.
Remove
the
four
bolts
at
the
mounting
flange
of
the
rear
bushing
be
-
ing
removed
and
lower
the
bushing
assembly
.
4
.
Referring
to
Fig
.
23
,
disassemble
the
primary
contact
springs
(
6
)
as
previously
described
.
5
.
Disassemble
the
spring
retainer
(
4
)
by
removing
mounting
bolts
(
5
)
.
n
f
24
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