7.10
Lubricate
the
shaft
and
the
treads
on
the
treaded
end
of
the
cone.
Install
the
cone
into
the
body
by
turning
the
cone
clockwise
and
pushing
gently.
7.11
Align
the
tabs
on
the
pivot
body
with
the
slots
in
the
cone
and
slide
the
pivot
body
into
the
level
switch
body.
7.12
Align
the
valve
body
in
the
correct
position
for
the
desired
low
or
high
operation,
see
Figure
5.
Install
and
tighten
the
four
hex
socket
and
head
cap
screws
(1).
7.13
Thread
the
float
rod
onto
the
cone
and
tighten
securely
with
pliers.
If
the
displacer
assembly
was
removed,
reinstall
and
tighten
the
lock
nut
securely.
7.14
Insert
the
spring
(5)
and
spring
guide
(6)
into
the
spring
cap.
Install
the
spring
cap
into
the
body
and
tighten.
7.15
Replace
the
level
switch
assembly
into
the
tank
vessel
or
cage
as
per
instructions
in
Section
3.0
INSTALLATION.
8.0
SWITCH
CALIBRATION
8.1
Due
to
manufacturing
tolerances
or
part
wear,
it
may
be
necessary
to
adjust
the
length
of
the
push
rod
(10)
after
installing
an
electric
switch
assembly
(2).
8.2
Install
the
switch
assembly
per
procedures
in
paragraph
7.6
and
7.7
of
this
manual.
8.3
Connect
a
suitable
device
to
test
switch
continuity
to
the
appropriate
switch
leads.
8.4
If
the
switch
is
not
installed
in
a
vessel
it
may
be
tested
by
raising
and
lowering
the
displacer
assembly
manually.
For
a
switch
installed
in
a
vessel
or
external
cage
it
is
recommended
to
use
the
actual
process
fluid
to
check
for
proper
switch
operation.
8.5
Switches
that
are
installed
but
not
practical
to
operate
with
the
process
fluids
may
be
tested
by
removing
the
spring
cap
(4)
and
the
spring
(5)
then
depressing
and
releasing
the
spring
guide
(6).
8.6
Should
the
switch
operation
have
one
of
the
malfunction
s
as
given
in
the
table
of
8.7,
use
procedures
given
in
paragraphs
8.8
thru
8.9
to
calibrate
the
switch.
8.7
Switch
Response
Calibration
N.O.
contacts
stay
closed
Shorten
Push
Rod
N.O.
contacts
stay
open
N.O.
contacts
stay
open
Lengthen
Push
Rod
N.O.
contacts
stay
closed
8.8
Remove
the
switch
assembly
and
push
rod
per
procedures
in
paragraphs
6.1.3
and
6.1.4.
