YASKAWA YASNAC 3000G - Page 153

B.
Where
inspecting
the
control
with
the
door
open,
after
it
is
over,
lock
the
door
posi¬
tion
by
turning
two
door
locks
with
a
large
screwdriver
(minus).
Turning
direction
of
door
locks
is
as
follows.
8.1.1
TAPE
READER
1.
Cleaning
of
head
of
tape
reader
A.
Remove
tape
rubbish
and
dust
on
the
glass
with
a
blower
brush.
If
the
glass
is
stained
with
oil
or
oily
dust,
wipe
it
using
a
gauze
or
soft
cloth
with
absolute
alcohol.
Also
clean
the
tape
guide
and
the
tape
retainer.
B.
Remove
the
dust,
if
any,
'
on
LED
(light
source)
with
a
blower
brush.
CLOSED
CLOSED
2.
Cleaning
of
tape
tumble
box
A.
Clean
the
polyester leading
tape
with
a
clean,
soft
cloth.
With
the
door
lock
on
right
side
of
the
door.
With
the
door
lock
on
left
side
of
the
door
.
B.
Remove
the
tape
outlet
cover
(See
Fig.
5.
1.3)
by
loosening
two
mounting
screws
and
clean
the
txattom
of
the
tape
tumble
box
with
cloth
or
brush.
Fig.
8.1.2
The
vertical
groove
on
the
door
lock
means
the
door
locked,
and
the
horizontal,
the
door
unlocked.
3.
Imbricating
of
tension
arm
shaftÿ
For
the control
w
ith
0
inches
or
8
inches
diam¬
eter
reels,
lubricate
the
shaft
end
of
tension
arm,
when
the tension
arm
does
not
move
smoothly.
NOTE:
door
interlocking
switch
as
an
option,
open¬
ing
the door
shuts
off
the
main
power
supply
and
stops
all
operations.
With
the
C.
Check
gaskets
on
the
brims
of
front
and
rear
doors
.
D.
See
if
the
inside
of
enclosure
is
dusty.
Clean
it,
if
necessary.
LUBRICATING
TENSION
ARM
E.
Check
for
any
opening
in
the
door
base
with
the
doors
shut
tightly.
\
8.1.3
SERVOMOTOR
AND
DC
MOTOR
FOR
SPINDLE
(In
the
case
of
8
inches
diameter
reel)
Fig.
8.
t.
1
1.
Vibration
and
noise.
NOTE:
When trouble
occurs
in
feeding
or
winding
tape
with
8
inches
diameter
reels,
open
the
front
door and brush
away
dust
around the
photo-coupler
by using
a
blower
brush.
Vibration
can
be checked
by
hand
resting
on
the
motors,
and
to
hear
the
noise
using
a
listening
stick
is
recommended.
If
any
ab¬
normality
is
found,
contact
maintenance
personnel
immediately.
8.
i
.
2
CONTROL
PANEL
2.
Motor
contamination
and
impairment.
The
control
panel
is
dustproof,
sheet-steel
en¬
closure
with
gasketed
doors.
if
dirt
or
Check
the
motor
exterior
visually.
damage
should
be
obsa-ved,
inspect
the
mo¬
tor
by
removing
the
machine
cover.
Refer
to
the
machine
tool
builder's
manual.
A.
Front
and
rear
doors
of
the
control
should
be
always
shut
tightly,
even
if
the
control
is
not
operating.
146
-