Allis-Chalmers BWX-6637-5, Инструкция

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;.··
INSTRUCTIONS
fOR
THE INSTALLATION
AND
OPERATION
OF
. ALLIS-CHALMERS
TYPE
11LA11
LOW VOLTAGE AIR CIRCUIT BREAK�RS
AND AUXILIARY
I
PHENT
.
INSTALLATI ON AND INSPECTION
A.
INTRODUCTION The type
11LA11 al r
�I
r
c
ui
t
breakers may be f ur n i s h e d for
m
o
u
n
ti
n
g
in
any one
of
three ways.
�
he
y
may be u s
ed In
me t
•
l enclosed switch­
gear
of
the drawout type. In individual enclosures
(
p u l
l
ou t type
)
•
or for
stutlonilry m ou n t i ng In a c u s
t
ome r
'
s own e n
c
losi n g c�se o r switchboard. All
111..A11
bt"eDkers are c omp l e t el
y
assembled. tested, and c
a
l i b r
a
t ed at t
h
e hctory
in
a vcqical position and m u s t be so
I
n
st
a
lle
d to
Qperete
p
r o
pe
r l
y
.
Customer's
prima•·y connections sho�ld be a
d
e
q
u
at
e l y
braced a
g
a
i ns t the effects of
s
h o rt
cir�uit currents to pre�ent ov e r st re s si
n
g
the
b r e a k� r terminals.
B. W/�RRANTY
Allis-Chalmers
11LA11
air
c
i
rcu
l
t b r e a k e r s
are warranted to be
free-of
d
ef
e c t s
in
material
and
w or
km
a
n s h i
p
for a
pe,riod
of one year after
�ellvery to the original p u r c h
a
se r . This warranty is l l tn i t e d to the furnish'
of
any part which to our satisfaction
has
been
proven d
e
f e ct iv e . Allis­
Chalmers will
not
in
any case
assurr.e responsibility for a ll i e
d equipment
of any
kind.
C. RECEIVING
AND INSPECTION
FOR
DAHA3E I mm e d i a t
el
y upon receipt of
this
�q u ip m e nt
,
carefully remove all p
a
c k i n g
traces
a nd e�amfne parts, checking them
against the PiCking list and noting a
n
y damages
incurred In t r
an
s
i t
.
If
such
is disclosed, a
damage
cl•im should be
filed
at one� with the transportation
cowpany �nd
Allis•Chalmers notified.
'
O.
CAUTIONS TO
BE
OBSERVED
IN
THE INSTALLATION
AND
OPE
RAT�
ON OF
11LA11
e.REAKERS
1. Read
lnstrcction Book before
I
n s t
a
lling
or
m a k i
n
g any changes or
adjus t m ent s on the brea�er.
z. As
the
clo$lng
s
p
r i
n g s on
stored-energy b r
e a k
er s may be charged I n
either the breaker
open or closed position,
�xtreme
care s
h
o
u
l
d
be
ttken
to
discharge
the s p r
i
n
g
s before wo
rk i
n
�
on the b r e ak e r
.
3.
W
h e
n
closing manually-operated breakers, alw�ys grasp closing handle
flrmiy unti
1
it is r e t u r n e d
to the
normal vertical position.
4� Check current
ratings a n
d serial numbers
a g a
i
n
st
single line diagram
to assure that br ea k er s are p r o p e r l y
located �n
switchgear at
•inH4Jllatlon.
5.
theck the
a l ignme
n t
of the secondary disconnect f
i n g er s to ensure
ag�lnst misalignment due to
possible d i s t o r
ti
o
n of fingers during
� h l p m en t a n d h
a
g d l i n g
.
6.
Once
the breoker Is e
ne
r
giz e d
.
It
should not;be t
o u c h ed
,
except for
operating. since
most
of t
h
e
compone.nt
parts'
are
aHa
e n
e
r
g
i
z
e d .
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