Bridgeport Interact 2 - Ball Quill Extension Removal

17. Support
the spindle
in
the
UP
position.
18.
Remove
four
bearing
retainer screws
(8300171)
19. Remove metering unit
(8303601)
from
lower bearing support
(8O5O177)
20. Rotate ball
nut assembly
on
the
ballscrew, only enough to
raise pulley
(8050181)
above quill
housing
(8050159).
WARNING: IF
THE BALLNUT IS ROTATED
OFF
THE BALLSCREW,
THE BALLSCREW
ASSEMBLY
WILL BE
DESTROYED.
A NEW BALLSCREW
ASSEMBLY
WILL
THEN BE
NEEDED.
27.
Belt
may now be lifted up over the spindle and out
of
the
machine.
NOTE: Tbe area must
be
kept
free
of
any contaminating
elements.
22.
Assemble the
machine in the opposite order
of
disassembly.
A
special
assembly
procedure
for
the
quill
housing
(8050159)
and drive motor housing
(8050161)
are
given
in Section 8.5.1.
23.
Set
the quill feed belt
(8800012)
tension, per
Section 8.3.3.
24.
Check
reference
switch setting
as per
Section 8.4.2
znd rcset Z a><is software limits as
per
Section
8.4.3.
8.3.4
BaIl
Quill
Extension
Removal
(Figure
8-1)
Special tools
-
3T-6927
(Figure
8-2)
2" adjustable
spanner
wrench.
3
l/2" diameter adjustable hook
spanner wrench.
1.
Follow
the disassembly procedure for
the
Quill
Drive Belt Removal, per
Section 8.3.3 steps 1
thru 19.
2. The ball quill extension
has
a total travel of
5".
WARNING:
SHOULD
THIS DISTANCE BE EXCEEDED,
THE BALLS
WILL FALL
OUT OF
THE ASSEMBLY AND A NEW BALL
QUILL
EXTENSION
WILL HAVE TO BE
PURCHASED.
3.
Rotate
the ball quill extension
nut
far
enough
up to remove
six socket head
cap screws
(83OO572),
but not
to
exceed
5"
of travel.
4.
Rotate
the ball
quill
extension back
down
and remove from the
spindle.
5.
Remove the bearing
retainer
(8O5O177)
and bearings
(83
02
80)
by
removing
lock
washer
(8303950)
and
nut.
Use
a 2" adjustable
spanner
wrench and a
3
ll2"
adjustable hook
spanner
wrench.
6. Remove two
snap
rings
(8301939)
znd pulley
(8050181).
T.Before installation,
inspect
and clean theball
quill extension
assembly,
per
Section
8.6.2
8-10