PART
2 -
INSTALLATION
GENERAL
Al�o�h the
c ircuit breaker was
complt:�tely
adjusted,
tested
and
packed
for maximum protection
in
transit, it is necessary that adequate s�ps
�
to prepare the unit for installation.
REMOVE
SHIPPING BRACES
Breaker is shipped in closed position, Remove
all
shipping braces and
fastenings used
to
hold trip latch
(4-27)*
and other
moving
parts of breaker
and
auxiliaries.
PREPARE BREAKER
FOR
INSPECTION
Prepare breaker for installation inspection
and
se
rv
i
c
i
n
g
outsid� of �bicle.
Remove phase barriers (see Section 6.3a)
and
tilt back arc chutes
to
expose
interior o! breaker (see Section 6.3b),
mSPECT
AND CHECK BREAKER
for
any
moisture, dirt and other foreign material,
which
could impair
optimum breaker performance.
Close breaker with maintenance closing handle (see photos). Watch operation
of operator linkages and contacts carefully. Contacts should mate properly
but need not make at same
time on all
phases. Trip
manually
(1-43);
Operate breaker several
times
e
l
ec
tr
i
c
a
l
�
to check for
smo
oth o
pe
r
at
i
o
n
,
Tilt arc chutes
to
upright position (s
e
e
S
ect
i
o
n
6
.
3
b
) and
replace
barriers
(see Section 6.3a).·
Make certain the
six
b
l
o
wo
u
t
coil leads are
reconnected
and
the
three arc chute supports are fastened to the
breaker frame
(
s
e
e Se
c
t
io
n
6
.
3
.
b
l.
.--
.
.:;INSERTION MECHANISM
The
breaker insertion mechanism should be checked
and
lubricated
if
necessary for proper
operation to prevent jamming during insertio�. T
h
e
breaker
should
be moved into position so
t
h
a
t
it
can
be rolled straight
into
the
cubicle with
a
minimum
of f
r
i
c
tio
n
on the wheels and guides
in
the
c
u
b
ic
le
.
is
in
S
e
ctio
n
1.2
www
. ElectricalPartManuals
. com
Summary of Contents for fb-500
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