GE Magne-Blast AM-13.8-1000-3H - Page 4

GEI
~
88766
INSTALLATION
X
.
Remove
the
rear
barrier
,
side
barriers
,
interphase
barriers
,
and
the
front
cover
and
make
a
visual
inspection
to
ascertain
that the
breaker
and
mechanism
,
is
in
satisfactory
condition
.
Check
all
bearing
sur
-
faces
of the
mechanism
for
lubrication
.
Refer
to
section
on
LUBRICA
-
TION
(
page
15
)
.
2
.
The
arc
chutes
can
be
assembled
on
the
breaker
at
this time
.
The
arc
chutes
should
be
lifted
only by
the
use
of
hooks
in
the
lifting
holes
provided
in
the
top
of
the
arc
chute
brace
.
Refer
to
ARC
CHUTE
RE
-
MOVAL
(
page
14
}
.
Before
checking
the
breaker for
electrical
opera
-
tion
be
certain
the
upper
mounting
bolts
(
used
as an
electrical
and
mechanical connection
)
and
the
lower
electrical
connection
to
the
arc
chute
is
tight
.
3
.
Charge
the breaker
closing
springs
manually
using
a
5
/
8
,
!
ratchet
wrench
to turn
the
driving
eccentric
(
6
)
Fig
.
4
,
Turning
the
eccen
-
tric
counter
clockwise
will
advance
the
ratchet
wheel
and
compress
the
springs
.
the
spring
(
10
)
Fig
.
4
When
tor
raised
from
the
ratchet
wheel teeth
.
Additional
turning
of
the
eccen
-
tric
will
not
advance
the
ratchet
wheel
.
s
have
reached the
fully charged
position
the
indica
-
will
read
"
CHARGED
1
'
,
and
the
driving
pawl
will
be
Insert
the
spring
blocking
device
(
4
)
Fig
.
4
and
manually
discharge
the
springs
against
the
pins
by
pushing
the
manual
release
button
(
l
)
Fig
.
4
.
The
springs
are
now
blocked
and
slow
closing
of
the breaker
contacts
can
be
accomplished
by
again
turning
the
driving
eccentric
with
a
5
/
8
"
ratchet
wrench
.
During
the
slow
closing
operation
check
to
insure
that
the
mechanism
does
not
stick
or
bind
during
the
entire
stroke
,
that
it
larches
se
-
curely
in
the
closed
position
,
and that
it
trips
freely
when
the
man
-
ual
trip
lever
is
operated
.
The breaker should
not
be
operated
elec
-
trically
until it
has
been
operated
several
times
manually
to
insure
freedom
of
action
.
At
this
time
,
also
check
the
following
adjustments
2
a
.
Primary
contact
wipe
b
.
Arcing
contact
wipe
c
.
Primary
contact
gap
Refer
to
page
7
Refer
to
page
J
Refer
to
page
J
"
DO NOT
WORK
ON
EITHER
THE
BREAKER
OR
MECHANISM
UNLESS
THE
CLOSING
SPRINGS
ARE
BLOCKED
AND
THE
OPENING SPRINGS
HAVE
BEEN TRIPPED
OPEN
OR
MECHANICALLY BLOC ICED
.
THIS PRECAUTION
IS
REQUIRED
TO
PREVENT
ACCIDENTAL
CLOSING
OR
TRIPPING
/
'
After
the
adjustments
have been
checked
,
the
springs
cart
be
unblocked
.
Rotate
the
driving
eccentric
until
the
indicator
reads
’
'
CHARGED
9
'
and
the ratchet wheel
no
longer
is
advanced
.
The
blocking
device
can
now
be
removed
.
3
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