7.
Check the slidervay
gib
settings
and
adjust if necessary
as
per
Section,7.8.
8. Check lost motion
a1irer,Section7.9.
9.
Check axis drive
motor brushes
for
wear. Replace if less than
5 mm
(0.20")
of
carbon
remains.
10.3
MULTIPLE
SHIFT
OPERATIONS AND PUNITIVE ENVIRONMENTS
10.3
.1
Definitions
Bridgeport
is defining
3
shift operation,
5
or
more
days per
week, as a multiple shift
operation.
Punitive
Environments
are
considered
to
be
those in
which the workpiece
iq,cut dry or
when
cutting
Magnesium or
Carbon.
If the
workpiece is
cut dry
(Cast
Iron,
Carbon or
Magnesium)
extra-ordinary
precautions
should
be
taken by the
customer. The
foilowing
recommendations
are made as a
guidet
1.
The
(212)
head has
a
patented
cooling
system to
minimise
spindle
growth.
The spindle motor
draws air
from
behind
the speed indicator plate
over the equipment in
the belt
housing and
exhausts
around the motor
shroud. THE
AIR INLET
SHOULD BE
FILTERED FOR
PUNITIVE ENVIRONMENTS.
2.
Specially
designed
vacuum systems at the
cutting tool are
recommended
hoses must
not be used
to clean the machine,
use industrial vacuum cleaners.
ducted
to
the 2J2head.
MAINTFNANCE
LEVEL 1
filters
should be considered if
clean air cannot be
Daily
Maintenance
.r XUtomatic lubricating
system oil level
and
fJl
as necessary.
t
I
rl
t
I
i
I
)
:
CAUTION:
Use
only
Mobil
Vactq
No.
2
or
equioalent to ensure
maximum
effectiaeness of
tbe
lubication
$/stem.
2.
Clean
dirt and
chips
from
way surfaces and apron.
Use
industrial
vacuum cleaner.
3. Clean
and apply
a light coat of oil
to way surfaces.
10.3.3
48 Hour Maintenance
MAINTENANCE
LEVEL
1
In
addition
to daily
maintenance:
1.
Clean
the
entire
machine using
an industrial
vacuum
cleaner.
2.
Check that
oil
is reaching
all slideways.
3. Clean and apply light coat of
oil to
steel chip
guards
on
knee and to guards
between the table
and
saddle.
{
I
to-2
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