YASKAWA YASNAC 3000G - Page 152

8.
MAINTENANCE
8.1
ROUTINE
INSPECTION
SCHEDULE
to
be
observed
for
maintenance
according
to
time
in
order
to
keep
the
equipment
optimum
condition
for
extended
period.
ments
The
following
table
shows
the minimum
require-
Table8.1.0
Inspection
Schedule
is
c
o
o
<u
a>
i
5
e
£
e
-C
2
-
5
iS
P
Items
Time
Interval
Remarks
*;
<B
£
Including
light
source
part.
Cleaning
of
reading
head
o
Daily
Tape
reader
Cleaning
of
tape
tumble
box
o
Weekly
Lubricating
of
tension
arm
shaft
end
o
As
required
Tight
close
of
the
doors
o
Daily
Control
panel
Checking
of
loose
fit
and
gap
of
side
plates
and
worn
door
gaskets
o.
Monthly
Feel
by
hand,
and do the
audible
inspection.
o
Daily
Vibration
and noise
Motor
contamination
and
breakage
o
o
I
aspect
visually.
Daily
or
as
required
Inspect
mainly
spindle
DC
motor.
Clearance
of
ventila¬
tion
openings
Servomotor
and
DC
motor
for
spindle
o o
Burned
spots,
cracks,
wear
,
and
pressure
of
brushes
Check
the
length
of
brushes.
o
Check
dark
bar,
threading
and
grooving
of
commuta¬
tor.
E
very
three
months
Roughened
commuta¬
tor
surface
o
Clean
with
compressed
air.
o
Dirt
of
motor
interior
See
if
BATTERY
lamp
on
operator's
panel
lights.
o
o
Daily
Battery
The
details
of
inspecting
operation
for
each
com¬
ponent
are
as
follows.
145
-