GE POWER/VAC GEK 86132A - Page 16

K
:
>
5
.
Perform
the
VACUUM
INTERRUPTER
INTEGRITY
TEST
as
described
in
ELECTRICAL
CHECKS
section
.
CAUTION
PRIMARY
DISCONNECT
WIPE
CAN
ONLY
BE
CHECKED
WHEN
THE
SWITCHGEAR
IS
DEENERGIZED
.
3
.
Pump
the
manual
close
handle
3
-
4
times
.
4
.
With
the
5
/
16
”
Allen
wrench
,
remove
the
pivot
bolt
(
10
,
Fig
.
!
5
)
on
the
closing
spring
(
1
,
Fig
.
15
)
.
5
.
Remove
the
closing
spring
.
6
.
Disconnect
the
trip
linkage
tension
spring
.
7
.
Loosen
the
interlock
bracket
(
11
,
Fig
.
15
)
.
8
.
Remove
the
4
bolts
from
the
coil
bracket
leaving
the
two
bolts
nearest
the
front
of
the
breaker
in
place
in
the
mechanism
frame
.
9
.
Cut
coil
leads and
remove
the
coil
and
armature
.
To
install
the
new
coil
,
reverse
the
above
procedure
and
connect
leads
with
insulated
butt
connectors
.
See
TRIP
COIL
PLUNGER
in
MECHANICAL
ADJUSTMENTS
section
for
setting
the
stroke
of
the
armature
.
Apply
Loctite
to
the
threads
of
the
pivot
bolt
(
10
,
Fig
.
15
)
when
it
is
replaced
.
Charge
the breaker
and
electrically
close
and
trip
it
to
make
certain
it
has
been
reassembled
correctly
.
14.3
.
PRIMARY
DISCONNECT
FINGERS
The
primary
disconnect
finger
assemblies
can
be
removed
by
removing
two
roll
pins
which
hold
them
in
place
on
the
primary
studs
.
Finger
contact
surfaces
should
be
coated
with
0282
A
2048
P
009
lubricant
.
14.4
.
MECHANISM
'
'
'
Pin
Retaining
Rings
-
These
rings
are
widely
used
in
the
>
?
ML
»
18
mechanism
to
retain
pins
.
They
can
be
installed
and
.
removed
with
a
pair
of
standard
pliers
.
Reuse
is
not
recom
-
‘
/
mended
.
To
remove
,
slowly
squeeze
the
removal
ears
while
ppulling
.
To
install
,
position
in
the
pin
groove
and
squeeze
the
•
7
Installation
ears
closed
leaving
no
more
than
1
/
16
inch
gap
:
between
ears
,
Retaining rings
can
be obtained
from
your
local
GE
Sales
office
by
ordering
part
number
0282
A
2015
G
001
.
14.7
.
CLOSING
COIL
REPLACEMENT
Disconnect
the
close
linkage
tension
spring
then
remove
the
retaining
ring
from
the
close
linkage
pivot
pin
(
17
,
Fig
,
15
)
and
disconnect
the
linkage
,
Remove
the
closing
coil
and
housing
(
6
,
Fig
.
15
)
.
Cut
the
leads
to
the
closing
coll
and
remove
the
coil
.
Reassemble the coil
and
housing
with
arma
-
ture
and
butt
-
splice
the
new
coil into
the
wiring
harness
.
Reassemble
linkage
and
spring
.
Readjust
the
closing
coil
armature
travel
in
accordance
with
instructions
in
MECHAN
-
ICAL
ADJUSTMENTS
section
under
CLOSE
COIL
PLUNGER
,
14.5
.
CONTROL
SWITCHES
Control
switches
may
be
removed
from
their
mounting
brackets
by
disconnecting
the
wires
and
removing
the
mount
-
ing
hardware
.
When
replacing
the
switches
,
check
that
the
correct
type
,
normally
open
or
normally
closed
,
is
used
.
Reinstall
,
wire
and
adjust
per
DIMENSIONAL
CHECKS
CONTROL
SWITCH
ADJUSTMENT
.
14.8
,
AUXILIARY
SWITCH
REPLACEMENT
With
the
breaker
open
and
the
closing
spring discharged
,
remove
retaining
clip
from
auxiliary
switch
shaft
,
or
loosen
clamping
bolt
in
operating
link
.
Observe
and
make
note
of
the
direction
of
the
index
mark
on
the
end
of
the
shaft
.
Remove
mounting
hardware
securing
auxiliary
switch
to
mechanism
plate
.
Slide
auxiliary
switch
and
shaft
out
of
operating
link
.
Before
removing
any
wires
from
switch
terminals
,
make
sure
they
are
properly tagged
with
switch
terminal
numbers
to
assure
proper
placement
on
new
switch
.
Remove
wires
,
To
install
new
switch
,
attach
leads
then
install
switch
,
or
install
switch
then
attach
leads
depending
upon
type
of
switch
and
its
terminal
accessibility
.
Install
switch
shaft
in
operating
link
with
index
mark
aligned
as
noted
above
,
Reverse
above
procedure
to
complete
installation
.
~
V
.
i
;
>
'
'
14.6
.
TRIP
COIL
REPLACEMENT
TOOLS
REQUIRED
5
/
16
"
Allen
wrench
Needle
nose
pliers
7
/
16
"
Socket
wrench
7
/
16
”
Box
/
combination
wrench
-
1
/
4
”
Square
drive
ratchet
1
/
4
”
Square
3
”
extension
Loctite
#
271
or
equivalent
V
>
’
.
,
-
i
1
•
Perform
the
operation
in
the
following
sequence
:
1
.
Charge
closing spring
and
install
gag
plate
,
2
.
Depress
the close
and
then
the
trip
buttons
,
T
V
,
|
‘
_
12
Courtesy of NationalSwitchgear.com