YASKAWA SGM series, Safety Precautions, Page: 32 / 35

2 Maintenance and Inspection
E-30
 Standard Service Life of Product
The following table gives the standard service lives of the parts of the Servo-
motor. 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 standard service lives
in the table are only for reference. The actual service lives will depend on the
application conditions and environment.
Part
Standard Ser-
vice Life
Remarks
Bearings 20,000 hours
The service life is affected by operating conditions.
Check for abnormal sounds and vibration during
inspections.
Oil Seals 5,000 hours
The service life is affected by operating conditions.
Check for oil leaks during inspections.
Brakes 20,000 hours
The service life is affected by operating conditions.
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.