2.1 ROUTINE INSPECTION
58
Table 2.1 shows items that
should be inspected routinely.
Table 2.1 Routine Inspection
Section
Check Item Frequency
With the
With the
System-off System-on
Remarks
Cleaning of Reading
Head
As required
o
Including light source
Tape
Read-
Cleaning of Tape
Tumble Box
As required
o
er
Lubricating of
Tension Arm Shaft End
As required
o
Doors Tightly Closed
Daily
o
Control
checking
for
Loose
Fit
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
Servo-
inspection
motor
Motor Contamination
Daily or as
and Breakage
o 0
Visual inspection
required
Check if alarm for
Battery
At power on
c)
o
BATTERY is disDlaved
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,
Completely
vibration, and noise, be sure
Turned OFF?
to turn off the power supply
to the NC before starting to
~%
Electrical
undertake routine maintenance
Power
service.
To turn power OFF to the NC
Suppiy
completely, set MCCB (Molded
Case
Circuit Breaker) on the
power panel at the machine to
the OFF position .
-“
~
e-
Turning OFF the power
supply by depressing
the ‘POWER OFF button
on the NC control panel
is not sufficient, be-
cause several areas in
the housing are still
energized, and are poten-
tially dangerous.
Bg~
YASNAC
i80
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