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4 Maintenance and Inspection
E-46
4
Maintenance and Inspection
This section describes the inspection and maintenance of a SERVOPACK.
4.1 Inspections
Perform the inspections given in the following table at least once every year for
the SERVOPACK. Daily inspections are not required.
Item
Frequency
Inspection
Correction
At least
once a year
Check for dust, dirt, and
oil on the surfaces.
Clean with compressed air
or a cloth.
Check for loose terminal
block and connector
screws and for other
loose parts.
Tighten any loose screws
or other loose parts.
4.2 Guidelines for Part Replacement
The following electric or electronic parts are subject to mechanical wear or
deterioration over time. Use one of the following methods to check the standard
replacement period.
• Use the service life prediction function of the SERVOPACK.
• Use the following table.
When any standard replacement period is close to expiring, contact your Yas-
kawa representative. After an examination of the part in question, we will
determine whether the part should be replaced.
Important
External
Appearance
Loose Screws
The parameters of any SERVOPACKs that are sent to Yaskawa
for part replacement are reset to the default settings before they
are returned to you. Always keep a record of the parameter set-
tings. And, always confirm that the parameters are properly set
before starting operation.
Part
Standard Replace-
ment Period
Remarks
Cooling Fan
4 to 5 years
The standard replacement periods given
on the left are for the following operating
conditions.
Surrounding air temperature:
Annual average of 30
C
Load ratio: 80% max.
Operation rate: 20 hours/day max.
Electrolytic
Capacitor
10 years
Continued on next page.