12.1 Inspections and Part Replacement
12.1.1 Inspections
12-2
12.1
Inspections and Part Replacement
This section describes inspections and part replacement for SERVOPACKs.
12.1.1
Inspections
Perform the inspections given in the following table at least once every year for the SERVO-
PACK. Daily inspections are not required.
12.1.2
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.
Refer to the following section for information on service life predictions.
9.4 Monitoring Product Life on page 9-15
• Use the following table.
When any standard replacement period is close to expiring, contact your Yaskawa representa-
tive. After an examination of the part in question, we will determine whether the part should be
replaced.
Item Frequency Inspection Correction
Exterior
At least once a
year
Check for dust, dirt, and oil on the
surfaces.
Clean with compressed air or a
cloth.
Loose Screws
Check for loose terminal block and
connector screws and for other
loose parts.
Tighten any loose screws or other
loose parts.
Part
Standard Replace-
ment Period
Remarks
Cooling Fan 4 years 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 factor: 80% max.
• Operation rate: 20 hours/day max.
Electrolytic Capacitor 10 years
Relays
100,000 power ON
operations
Power ON frequency: Once an hour
Battery
3 years without power
supplied
Surrounding temperature without power supplied: 20°C
The parameters of any SERVOPACKs that are sent to Yaskawa for part replacement are reset to
the factory 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.
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