Bridgeport Interact 2 - Base Assembly and Maintenance; Drive Belt and Motor Replacement

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SECTION VII
BASE ASSEMBLY AND MAINTENANCE
7.7
DRIVE BELT REPLACEMENT
7.7.7 X
Axis Drive Belt Replacement
To
make the task of re-assembly easier the table needs
to be towards the left
hand
end
of its
stroke.
Depending upon
whether the belt
is
broken or not determines the sequence
in
which
the
job
is done.
If the belt is not broken
1. Traverse
the
machine to the left hand
end
WARNING;
D/SCONNECT
POWER
TO THE
MACHINE BY THROWING
THE MAIN
CIRCUIT
BREAKER TO THE
'OFF'POSITION.
2. Remove
the eight screws securing
the
L.H.
end
table
sliding
guard
and remove. It may be
necessary
to remove the
fixing
screws
of
the lubrication
junction
on
the
rear of the table.
Do
not disturb
the
lubrication
fittings.
3.
Remove
the
rwo screws
securing the motor bracket
cover
and remove the
cover.
4.
Remove
the
four
screws
securing the saddle end
cover and
remove the
cover
(continued
in
paragraph
4).
If
the belt is broken
WARNING:
DISCONNECT
THE POWER
TO
THE
MACHINE BY THROWING
THE MAIN
CIRCUIT BREAKER
TO THE'OFF'
POSITION.
1. Remove
the eight
screws securing
the L.H. end
table
sliding
guard
and remove.
It may be
necessary
to
remove
the
fixing
screw of
the lubrication
junction
on
the rear of the table
.
Do
not disturb
the lubrication
fittings.
2. Remove
the two
screws securing the
motor bracket
cover and remove
the
cover.
3.
Remove
the
four
screws securing
the
saddle end
cover'and
remove
the cover.
This
gives
access
to the leadscrew
and the driven
pulley.
Rotate
the
leadscrew
manually
to
bring the table
to
the
left
hand
end.
4.
Remove
two screws securing motor
cover
and remove
cover.
5.
Support
the motor and remove
the
four
screws
securing
the
motor
and remove
the motor
6.
Remove
the old
belt and
refit the
new belt
on the
driven pulley.
7.
Refit
the
motor, inclining the
motor
to
re-engage
the drive
pulley.
Refit
the
four
securing
screws.
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