GE MicroVersaTripPlus AK-50 - Page 8

SECTION
3
FRONT
FRAME
BREAKER
CONVERSION
Installing
the
Flux
Shifter
(
Cont
’
d
)
INSTALLING
THE
FLUX
SHIFTER
TRIP
PADDLE
L
For
breakers
equipped
with
an
ECS
or
SST
sys
-
tem
,
the
existing
flux
shifter
trip
paddle
will
be
used
with
the
new
flux
shifter
.
For
all
other
breakers
,
the
flux
shifter
trip
paddle
must
be
assembled
to
the
trip
shaft
as
shown
in
Fig
.
3
-
12
.
FLUX
SHIFTER
ADJUSTMENTS
Once
the
flux
shifter
and
trip
paddle
are
installed
and
the
breaker
frames
are
reassembled
,
the
follow
-
ing
adjustments
must
be
made
:
1
.
With
the
breaker
in
the
OPEN
position
and
the
mechanism
charged
,
set
the
gap
between
the
trip
paddle
and
the
end
of
the
flux
shifter
rod
at
0.100
inches
.
Use
a
0.100
-
inch
diameter
rod
,
not
supplied
,
as
shown
in
Fig
.
3
-
12
.
Set
the
adjuster
end
of
the
trip
rod
and
lock
it
in
place
with
the
jam
nut
.
Note
that
removal
of
the
buffer
stud
will
make
the
trip
paddle
easier
to
install
and
adjust
.
2
.
As
the
crossbar
travels
between
the
breaker
CLOSED
and
the
breaker
OPEN
positions
,
the
tang
of
the
actuator
bracket
must
clear
the
buffer
stud
.
If
insufficient
clearance
exists
,
loosen
the
two
mounting
screws
and
rotate
the
bracket
clockwise
to
take
up
mounting
hole
slack
.
Retighten
screws
.
3
.
OPTIONAL
TEST
:
The
flux
shifter
assembly
may
be
tested
by
closing
the
breaker
and
apply
-
ing
a
9
V
dc
power
source
to
the
flux
shifter
leads
.
The
red
wire
is
the
positive
lead
.
The
breaker
should
trip
.
8
Courtesy of NationalSwitchgear.com