Inspections And Part Replacement; Inspections; Guidelines For Part Replacement - YASKAWA SGD7S-1R9D Product Manual

15.1 Inspections and Part Replacement

15.1.1 Inspections

15.1

Inspections and Part Replacement

This section describes inspections and part replacement for SERVOPACKs.

15.1.1 Inspections

Perform the inspections given in the following table at least once every year for the SERVO-
PACK. Daily inspections are not required.
Exterior
Loose Screws

15.1.2 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 9-13
• Use the following table.
Cooling Fan
Electrolytic Capacitor
Inrush Current Limit-
ing Circuit Relay
Battery
Built-in Brake Relay*
*
Only SERVOPACKs with built-in Servomotor brake control have a built-in brake relay.
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.
Important
15-2
Item Frequency
At least once a
year
Standard Replace-
Part
ment Period
4 to 5 years
10 years
100,000 power ON
operations
3 years without power
supplied
30,000 operations
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.
Inspection
Check for dust, dirt, and oil on the
surfaces.
Check for loose terminal block
and connector screws and for
other loose parts.
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.
Power ON frequency: Once an hour
Surrounding temperature without power supplied: 20°C
Allowable number of operations: 30 operations per minute
max.
Correction
Clean with compressed air or a
cloth.
Tighten any loose screws or other
loose parts.
Remarks