YASKAWA YASNAC i80, Maintenance Manual

Page: 68 / 226

2.1 ROUTINE INSPECTION
58
Table 2.1 shows items that
should be inspected routinely.
Table 2.1 Routine Inspection
S e c t i o n C h e c k I t e m F r e q u e n c y
W i t h t h e W i t h t h e
S y s t e m - o f f S y s t e m - o n
R e m a r k s
C l e a n i n g o f R e a d i n g
H e a d
As required Including light source
T a p e
R e a d -
C l e a n i n g o f T a p e
T u m b l e B o x
As required
er
Lubricating of
Tension Arm Shaft End
As required
Doors Tightly Closed Daily
o
Control for
Panel
and Gaps in Side Plates
Monthly
o
and Worn Door Gaskets
Feel by hand, and
AC
Vibration and Noise
Daily
o
perform an audible
inspection
m o t o r
M o t o r C o n t a m i n a t i o n
Daily or as
and Breakage
o 0
Visual inspection
required
Check if alarm for
Battery
At power on
o
BATTERY is
I
. .
on CRT screen.
Except for those checks which
can be made with the NC in
the energized state, such as
checks for external cleanliness,
C o m p l e t e l y
vibration, and noise, be sure
Turned OFF?
to turn off the power supply
to the NC before starting to
E l e c t r i c a l
undertake routine maintenance
P o w e r
service.
To turn power
OFF to the NC
completely, set MCCB (Molded
Case Circuit Breaker) on the
power panel at the machine to
the OFF position .
Turning
OFF
the power
supply by depressing
the
‘POWER OFF button
on the NC control panel
i s n o t s u f f i c i e n t , b e -
c a u s e s e v e r a l a r e a s i n
the housing are still
e n e r g i z e d , a n d a r e p o t e n -
t i a l l y d a n g e r o u s .