YASKAWA yasnac i80m

4.1
ROUTINE
MAINTENANCE
Always
perform
maintenance
according
to
the
following
simple
routine
check
to
enable
YASNAC-
to
provide
long
and
reliable
service.
Always
turn
OFF
the
power
source
to
the
NC
unit
when
carrying
out
routine
maintenance
except
when
checking
is
possible
with
the
NC
unit
power
on,
such
as
external
visual
check
for
dirt,
grease,
etc.
or
check
for
noise
or
vibration.
NOTE
It
is
not
sufficient
to
simply
"switch
off
power”
by
depressing
the
"POWER
OFF"
switch
on
the
NC
operator
panel.
There
will
be
the
danger
of
electri¬
cal
shock
since
power
is
supplied
to
specific
parts
in
the
NC
unit
even
when
the
power
is
OFF.
Therefore,
turn
OFF
the
power
to
the
NC
unit
by setting
the
MCCB
molded
case
(circuit
breaker)
located
on
(or inside)
the
power
panel
on
the machine
side.
Cut
off
of
all
power
to
the
NC
unit
can
be
cpnfirmed
by
the
fans
in
the unit
since
all
will
stop
when
power
is
turned
OFF.
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648
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