Maintenance and Inspection
Item
Frequency
Procedure
Comments
Vibration and Noise
Daily
Touch and listen for irregularities.
The degree of vibration and noise
must not be any higher than nor-
mal.
Appearance and
Cleaning
According to the degree
of dirt
Clean with a cloth or compressed air. —
Insulation Resistance
Measurement
Yearly Disconnect the SERVOPACK and test in-
sulation resistance at 500 V. Must exceed
10 MU.
Contact your Yaskawa representa-
tive if insulation resistance is be-
low 10 Mii.
Overhaul
Every 20000 hours or 5
years
Remove the Servomotor, replace consum-
able parts and perform any necessary repairs.
Contact your Yaskawa representa-
tive for the overhaul.
Oil seal replacement (for
Motors equipped with
oil seals)
Every 5000 hours Remove the Servomotor and replace the oil
seal.
—
Part
Standard Replacement
Period
Replacement Method
Bearings 20000 operating hours
Disassemble the Servomotor and replace the bearings if
necessary.
Oil Seal
About 5000 hours Replace with a new oil seal.
12.1.1 Servomotor Inspection
12.1 Maintenance and Inspection of Servodrives
12.1.1 Servomotor Inspection
Simple daily inspections are all that are needed to maintain the Servomotor because it is brush-
less. The inspection and maintenance frequencies given in the following table are only guide-
lines, and may be increased or decreased to suit driving conditions and environment.
IMPORTANT
Do not disassemble the Servomotor during inspection and maintenance, but rather contact your Yaskawa repre-
sentative if the Servomotor must be disassembled.
Table 12.1 Maintenance and Inspection Procedure
■ Guidelines for Replacing Parts
The following parts are subject to mechanical wear or deterioration over time. To avoid failure,
replace these parts periodically as indicated below.
Table 12.2 Parts Replacement
12 -2
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