Bridgeport Interact 2 - Quill, Spindle, and Limit Switches

14.
Gendy
disengage the
timing belt
(8303791)
from pulley
(8O257O7)
as
the belt
housing is
being
raised.
15. Remove
the
old belt and
replace
with
a new
one.
NOTE Reassembly
will
be accomplisbed by
reoersing
tbe disassembly
procedure.
Dfficulty
may be
encountered wben assembling
pulley
(7012643).
First
work
tbe belt as
far
toward the centre
of
tbe drioen
pulleys
(8025533
and 8025534)
as
possible.
Next,
work
tbe belt as
far
as
possible
toward tbe
peripbery
of tbe
drioe
pulley
(7012643
and 701264D.
Witb
band
pressure
and a small
plastic
mallet,louer
pulley
(7012643)
until retdining ring
(8300610)
may be assembled.
8.3
QUILL
AND SPINDLE
8.3.1
Quill
Drive Motor Replacement
WARNING: DISCONNECT POWER TO THE MACHINE
BY THROWING
THE MAIN
CIRCUIT
BREAKER TO THE
,OFF,POSITION
BEFORE
BEGINN/NG
THIS
PROCEDURE.
1.
Remove the nvo screws securing the
motor
pulley
cover
and remove the cover.
2.
Slacken,
but do
not
yet
remove,
the
four
screws
holding the drive
motor to the motor
mounting housing.
3.
Slide ttre timing belt
(8800072)
off the motor
pulley.
4.
Remove
the drive
pulley
(8791808)
and
fit to
new
motor.
5.
Remove
the
rear
cover
from
the pendant box, and the cover
plates from the external
cable
exit
of
the
pendant
arm.
6. Remove the cover
(2159897)
from
the rear of
the
machine column.
7. Remove
the cable ties
from
the
Z
aris resolver
cable
and unwrap the
spiroband sleeve.
8.
Disconnect
the
Z
axs resolver
from
the rear
of
the Heidenhain unit
and
pull
the cable
through
the
pendant
arm
and
the ram.
9.
Disconnect
the
motor
wiring
at the motor terminal box.
10.
Remove
the
four
screws,
previously
slackened in
step 2, and remove
the motor
(complete
with
encoder and encoder
cable).
11. Install new motor by
reversing steps
2
-
10.
NOTE: To
facilitate
threading the
encoder
cable tbrougb
tbe rdrn
tbe namepldtes
sbould be
rernoaed
from
tbe sides of the
ram.
72. After
the motor is
installed
adjust
the belt tension
as
per
Section
8.3.2., check
the
setting
of
the reference dog is per
Section 8.4.2 and
reset
the
software limits as per
Section
8.4.3.
8-8