CABINET
"A
t-l-T
| |
e!t"
ttl
I
t6"
_1
'.c
levet from
the notor mechanism. The
breaker can then
be
operated
:Benually
by
neens
of
the
energency
handle.
"
itq
change back
for automatic operationr,
return
break-
ers. to original
positions,
unscrew,
remove thb
emet-
gency
handle and
close
the
disconnect
switch or
connect the
jumper.
Betorc
peilotain(
the
tol.lovinfi,
discowtect
all eler,tdcal
povet!
If
it
is necessary
to remove
the
motor mechanism
for
,inspection
of the cilcuit breaker,
proceed
as follows:
.
Remove
the
t/2
inch
nuts,
pull
off
the
motor mechanism
'and
mounting
plate
as
a
unit. Remove
the two
l/4
mch
flat
head
sciews that
go
through
the handle.
Theoper-
ating
handle
assembly
cen
now be
pulled
off and
the
"circuit
breaker cover
temdved.
Assemble
in
the
reverse
lorder.
Check
the
gap
between the handle assembly
and
the crank. This
should
be
1/8
of an
inch at
all
posi-
r.
tions of
the
crank, If
the
gap
is not
correct,
loosen
the
two
t/4
inch flat head
sctews that
pass
throug[r the
.Sandle
assembly
and move the
assembly torard
ornway
'
from
the crank as
required. Then
retiglrten the
screws.
,
The
.motot
shorrld
be rctated maaually
to
check
the
operatio:r before
electrical op-eration
is
attempted.
,
This may
beldone
by removing the
spring clip
and
plste
at'the
eid of
the motor
housing
and rotating the
l,olot*
shaft
in the direction
shown by
the artow.
-
.:
i
DESCnIPTION
(2000
Arnp)
'
The
.filotor
operator
mechanism
is
a device;designed
to
'
-,remotely
control
and
operate
a
breaker to its
rrONtt
,*",dn6'-ttOFFtt
positions.'
In
times
of
neceSsityr
.lt,is
:
p6ssible
to
manually
operate
the breaker
ttuough
the
'
:oierator
mechanism.
',;
In
operating the
b-teaker
stONtt
or
f'OFFrt,
th€
geared-
.
,
motorts
output sheft, which
is
reversing, moves
through
less than one-half
revolution.
The
motor
reverses by
'i
i
means
of
two
separate
windings
which
are controlled
,
by limit
switches;,,llflotor
control
(energization
and cut'
out)
is
governed
by
means
of
drive
cam adjusting the
''
brackets
and
a
toggle
linit
swltch'
Each
motor
provides
.
', "maXirnum
tcque at
initial starti*g.
Thus
the
handle
,
, arm action
is immediate.
.*Iandle
arm travbl
and dtive
cam brackets
are
factory
adjusted.
Tests
are,tun
on a
breaker
to
insure
proPet
Eotor
operation
Tbe.lugs
on the neutral br
cgt'rfake
four
300
to 500
:{ilCM
size
wires.
Four 300
to
500
MCil ei?g'*ires
can
be'accoqpsdated
by the
other
lugs
Wasipct:pole).
i,
f
;.'O'PERATION
{2000
Arp}
i;Tbe'srotor
operator is
an intermittent
duty
device,
A
flpafeifruty
cytle,
i.e.,
rlgpF"
to
"oN"
aiain, shotrld
fiiie
per
minute,
At
this rate the operator
llonuol 0pcrcticn
-
Turn
the toggtre switch to the open
e
or off
position.
If the
particular
ftodcl
doesn't
have
a.\+/ffi'r''
switch,
disconnect the
jumper
on terqninds
6
and
8.'
.
lnsert
the
pctable
handle
into the breakerts
extension
:
handle
and open or
close
the breaker
t3ONtt
or
"OFFtt.
.
Operating
the
breaker
manually throrgh the motor
:
gperator
adtlrates
the limit switch.
Thus
the
ele.ctrical',
circuit
to the
notor
stays in step with the,breakerts;,.
handle
positior.
Ctose
the
switch or
coruiqet the
jumper
i
to return to autooatic operation.
:1
N0T
E:
When
thtowin( the
breaker
tcgitptt
rnmaally,
move
the
Dreaterts handle to the
e.x-'
tteme
33OFF '
positioa
in
otdet
to insure that
ihe
atra
oI
the
linit
svitcft
is
toSgled ovet cofr-
pletely
ltoa one
position
to
the
next.
CABINETS
Use
Table
1
as
a reierence
for
Cabinet
"Bt'
below.
l*ointenonce
Lr*-'YGrwvft
I
cruflolr
I
Lfffr^l.*.e'.f
CABINET
"B''
I
_l
|'.-ao,.-1
l-@l
l0 l
l'l
. -Sr
\--r'.
"t1
:it-
I
,.j
i
i
r'I
,1
.i
'i
i
|
-
Tllese aodels
ar.e-sall
moanted. ,
**.-'f1es
standin$
nodtis
only.
.
'.'
':'.'
E
EI
TAB
L:E
I
l.tODE
L
OIH EN SI ON
A
B c D
LTC
&
LTD
8OO' ,7Vz" 36?' lg" 60"
LTC
1200.
t8" 36" lg"
66'?
LTC
2000'. 25"
54"
22V2"
90t''
.farjoutlast
the circuit
breaker.
51
.-
,
r'I
j
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