8. MAINTENANCE
8 - 25
8.4 Maintenance
The Servomotor and amplifier do not require any special inspection. To ensure optimum performance over
their lifetimes, however, the user is expected to implement a reasonable level of inspection and
maintenance, paying attention to the following points .
[Inspection Procedure ]
Table 8-3 Inspection Procedure
Check Check conditions Check item Check method Corrective
point Timing In-operatio
n
Out-of-ope
ration
measure
Servomotor Routine ○ Vibration Check if vibration is
larger than usual.
Contact us.
Routine ○ Noise Check if abnormal noise
unlike in normal status is
present.
As needed ○ Cleaning Check for dirt or dust. Clean the Servomotor
using a cloth or blow
down with air.
→ 1
Yearly ○ Insulation
resistance
measurement
Every
5000
hours
→ 2
○ Replacement of
oil seal
Contact us.
Servo
amplifier
As needed ○ Cleaning Check the parts for
settling of dust.
Clean by blowing down
with air.
→ 1
Yearly ○ Looseness of
screws
Check external terminals
and CN1, 2, A, B, C and
D connectors for
looseness.
Tighten loose terminals
or connectors.
Battery on
absolute
encoder
As needed
→ 3
○ Battery voltage Check if the battery
voltage is 3.6 VDC or
above.
If not, replace the
battery.
Temper-atu
re
As needed ○ Temperature Check ambient
temperature and motor
frame temperature.
Ambient temperature
must be within the
specification. Check
the load condition
operating pattern and
conduct necessary
correction.
1 Performing of megger test of the Servo Amplifier may damage the amplifier.
2 We recommend that you conduct a continuity check using the tester.
3 Do not remove the cover from the detector of the Servomotor.
4 Do not overhaul the Servo Amplifier and the Servomotor.
1 Prior to cleaning, make sure that the air does not contain water or oil.
2 This check/replacement interval is when a water-proof or oil-proof function is required.
3 Users are requested to constantly monitor the battery voltage.
Be advised that that estimated life of our recommended battery (Toshiba lithium battery
ER6V: 3.6V, 2000 mAh) is about 6 years.
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