Yaskawa AC Servo Drive Rotary Servomotor Safety Precautions - Manual (Page 32)

2 Maintenance and Inspection
E-30
‹ Standard Service Life of Product
The following table gives the standard service lives of the parts of the Ser-
vomotor. Contact your Yaskawa representative using the following table as
a guide. After an examination of the part in question, we will determine
whether the part should be replaced. Even if the service life of a part has
not expired, replacement may be required if abnormalities occur. The stan-
dard service lives in the table are only for reference. The actual service lives
will depend on the application conditions and environment.
Part
Standard
Service Life
Remarks
Bearings
20,000
hours
The service life is affected by operating condi-
tions. Check for abnormal sounds and vibration
during inspections.
Oil Seals 5,000 hours
The service life is affected by operating condi-
tions. Check for oil leaks during inspections.
Brakes
20,000
hours
The service life is affected by operating condi-
tions. Check for abnormal sounds and vibration
during inspections. Confirm that the brake is
released when power is supplied and check for
any changes in the operating time of the brake.