Bridgeport Interact 2 - Cleaning and Flushing the Ball Quill Extension Assembly; Ball Quill and Nut Flushing

6.
Repeat
this
procedure to obtain
a reading over
the entire up and
down
travel
of
the
ballnut
on
the
ball shaft.
7. The
reading
on the scale
with
the nut
moving up
should
not
exceed
510
g
(1
8
oz.)
maximum
pull.
The reading
on the scale
with
the
nut moving
down should not
exceed 510
g
(18
oz.)
maximum
pull.
8.
If the
scale
readings
exceed
the
limits or if there
is any excessive
drag or
nut hang up
on
the
shaft, then
clean
and flush the ballnut and shaft,
per
Section
8.6.2.
9.
If after
cleaning
the nut, the scale
readings are
still
over the limits
or a
drag or hang
up still
exist, replace the
ball quill extension assembly
(8780465).
8.6-2
Cleaning
and
Flushin
s
the Ball
Quill
Extension
Assembly
8-8
and 8-9)
1
. Set
the
ball
quill
extension assembly
(87
80465)
in a horizontal
position and
place over a
flushing
tank,
per Figure
8-9.
2.
Pour
an
oil dissolving solvent
over
the
ball threads
and ballnut.
This will
remove any contam-
inated oil, chips
or foreign
material
from
the
ball quill
extension
assembly.
Remove
from
the
flushing tank.
3.
Set
in an upright
position,
with
the ball threads
facing upward
and the
mounting
flange
downward in a container,
per Figure
8-8.
4.
Pour
an
oil dissolving solvent
over
the
ball threads and
into the top
of the
nut, at the same
time rotate the
nut over its total travel. This
will
remove
any contaminated
oil
on
the
threads
and flush any chips
or
foreign
material lodged in the ballnut
tracks.
5.
After
cleaning
apply
a
film
of light
machine oil over
the
threads
and into
the
ballnut.
QUILL
THREADS
UPWARD
NUT
TRAVEL
POUR
CLEAN
SOLVENT
INTO
THE NUT AT THE
TOP
(FLUSHING
NUT)
BALL
QUILL
AND
NUT
I.'LUSHING
CONTAINER
BALL
QUILL
EXTENSION
ASSEMBLY
(8780465)
Figure
8-8
Ball
Quill
and
Nut
Flushing
8.79