ABB 5HK Series User Manual

IB
6.2
.
1.7
D
Page
10
ASEA
BROWN
BOVERI
©
@
\
A
"
O
IKVCR
iQ
)
'
OPENING
THE
R
.
H
.
HOUSING
PADLOCK
LOCKOUT
PLATT
-
4
Fig
.
7
—
Racking
Mechanism
Fig
.
5
—
Latch
Check
Switch
Adjustment
5.10
CONTROL
RELAY
ADJUSTMENT
(
See
Figure
6
)
The
control
relay
does
not
normally
require
any
adjustment
in
the
field
.
The
gap
between
the
control
device
lever
and
the
limit
switch
crank
should
be
between
0.06
"
and
0.09
"
with
the
closing
springs
charged
.
If
the
gap
measurement
is
incorrect
adjust
all
5
HK
circuit
breakers
except
5
HK
350
,
3000
by
shimming
either
at
the
lever
bracket
or
the
control
device
mounting
screws
as
illustrated
in
Figure
6
.
Before
changing
shims
at
the
two
control
device
screws
,
loosen
all
three
screws
,
replace
shims
and
then
tighten
all
three
screws
.
The
5
HK
350
,
3000
is
adjusted
by
means
of
an
adjusting
head
screw
fastened
to
the
lever
.
tioned
properly
,
which
should
be
corrected
as
follows
1
.
Remove
the
front
mechanism
coverplate
.
2
.
With
circuit
breaker
closed
,
make
adjustments
by
regu
-
lating
length
of
connecting
rod
(
1
)
for
1
/
8
"
minimum
to
3
/
16
"
maximum
clearance
at
“
A
”
between
trip
link
(
3
)
and
block
-
ing
lever
(
2
)
.
)
5.12
LUBRICATION
The
HK
circuit
breakers
are
lubricated
during
factory
assembly
:
1
.
All
mating
surfaces
of
moving
current
-
carrying
joints
have
been
lubricated
with
NO
-
OX
-
ID
special
grade
"
A
"
grease
manufactured
by
Sanchen
Company
.
2
.
All
other
mechanism
parts
,
bearings
,
pins
,
etc
.
,
have
been
lubricated
with
ANDEROL
757
manufactured
by
Huls
America
Inc
.
(
formerly
Nuodex
,
Inc
.
)
(
ABB
No
.
71299
A
,
4
oz
.
tube
)
.
If
the
grease
should
become
contaminated
or
parts
are
replaced
,
lubrication
should
be
done
with
NO
-
OX
-
ID
or
ANDEROLgrease
as
applicable
.
Use
of
othergreases
have
not
been
proven
by
test
and
are
not
recommended
.
NOTES
:
1
.
Do
not
use
NO
-
OX
-
ID
grease
on
any
main
and
moving
contact
surfaces
.
2
.
It
is
recommended
that
the
primary
disconnects
be
maintained
by
renewing
with
the
NO
-
OX
-
ID
grease
during
maintenance
periods
.
3
.
Do
not
use
light
oil
to
lubricate
any
mechanism
parts
.
In
emergency
situations
,
Anderol
732
may
be
used
as
a
temporary
lubricant
.
In
these
cases
,
allow
time
for
the
solvents
to
evaporate
prior
to
any
mechanical
operations
.
It
is
mandatory
that
the
breaker
undergo
thorough
lubrication
with
Anderol
757
at
the
next
maintenance
interval
.
Use
of
solvents
to
free
contaminated
lubricant
is
strictly
forbidden
without
immediate
relubrication
using
Anderol
757
.
Note
that
bearing
surfaces
must
be
repacked
and
this
will
require
disassembly
of
the
mechanism
.
Do
not
operate
the
circuit
breaker
without
completing
this
procedure
.
4
.
The
charging
motor
is
sealed
and
no
lubrication
is
required
.
SHIM
IF
REQUIRED
CONTROL
PAN
I
fff
"
~
~
Lli
I
'
LEVER
LEVER
PIVOT
BRACKET
CONTROL
DEVICE
LIMIT
SWITCH
CRANK
Fig
.
6
—
Control
Relay
5.11
RACKING
MECHANISM
(
See
Figure
7
)
The
circuit
breaker
racking
mechanism
is
adjusted
at
the
factory
and
should
not
be
disturbed
unless
it
becomes
possible
to
close
the
breaker
during
a
racking
operation
.
If
it
is
possible
to
close
breaker
during
a
racking
operation
,
it
may
be
that
interlocked
blocking
members
are
not
posi
-
Courtesy of NationalSwitchgear.com

ABB 5HK Series Specifications

General

Brand	ABB
Model	5HK Series
Category	Circuit breakers
Language	English