Westinghouse DH-P Series Instructions Manual page 9

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9
(
c
)
Line
up guide channel
on
R
.
H
.
side
of
breaker
near
floor
,
with
guide rail
on
R
.
H
.
side of cell floor
.
PULL OR PUSH BREAKER
STRAIGHT FORWARD
OR
B A C K W A R D
.
H A N D S OFF TOP EDGE
OF FRONT
BARRIER
IN
MOVING BREAKER
.
K E E P
NOTE
:
Keep
hands off
top
edge of front
steel
barrier
when pushing
breaker
into
cell .
5
.
To Roll Breaker Around
Corners :
(
d
)
Push
breaker into cell until yellow
rail latch
at
front of guide channel catches
in notch in guide rail and stops further
movement
of breaker toward
rear of
cell
.
For
general
movements
of breaker
where
corners must
be turned
, use
the
handling dolly
.
Place vertical
pin
of dolly
in hole in
handling bracket
at
bottom and
center
of front chassis panel by tilting
dolly handle sharply toward breaker
.
Turn
dolly handle downward until front wheels of
breaker lift off
floor
.
Breaker
can now
be
steered by horizontal
movement
of dolly
handle
.
7
.
To Place
Breaker
in Fully Energized
Position
:
CAUTION
:
The
pole
unit
parts are
alive
at
full
circuit
voltage when the breaker
is in
the fully
ener
-
gized
position
.
Before
moving
the breaker
into
that
position
, make
sure arc
chutes
have
been properly
installed and
that
main
barrier
assembly
has been
properly fastened
in
place
.
Failure
to
do
this
may cause
serious
damage
or
injury .
1 .
6
.
To Place Breaker in First Position in
Cell :
This is called the TEST POSITION
.
Mechanical
interlock
prevents
levering break
-
er
in
or out
if breaker
is in
closed
position .
If such
an attempt
is
made with
enough force ,
3 / 16
pin
at
front of levering shaft
is
designed
to
shear
as a
safety
measure
,
to prevent
dam
-
age
to
parts
harder
to get to
.
(
a
)
Press down
on
rail
latch on
breaker
,
see
Fig
.
3
.
2
.
NOTE
:
This
is
a
valuable
piece
of equipment
.
PLEASE
HANDLE IT CAREFULLY
.
It will stand
some
abuse but ,
like
any
other similar
equipment
,
it
can
be damaged
by rough handling
.
(
a
)
Examine disconnecting finger clus
-
ters
for any
signs
of damage
.
See that
they
are
properly positioned and that the
retaining bolts
are
all in
place
in the end
of
the breaker studs
.
Clean off any dirt
,
DO
NOT APPLY GREASE
.
(
b
)
Push breaker toward
rear
of cell
as
far
as
it
will go ,
about 1
/
4
to
3
/
8 inch
.
Be
sure
it is pushed
until it is
stopped
.
This
should
require only
a
few
pounds
of
push
.
It
brings the levering
nut
on
the breaker up
to
the
screw
in the cell
.
paper ,
etc
.
(
b ) Make
sure
that the cell is
clean
and clear of anything that might
interfere
with breaker travel
.
Make
sure
levering
screw in cell is clean
and
free from dirt
or
grit
.
(
c
)
Engage
crank
on
levering
shaft
,
push moderately
toward
rear of
cell and
turn
crank clockwise
,
move
slowly toward
rear of
cell
.
Breaker
should
After

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